[ 400.273897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 400.286843][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 400.286843][ T10] netdev_get_by_index+0x5e/0x80 [ 400.286843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.286843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.286843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.286843][ T10] ipv6_add_addr+0x411/0x2000 [ 400.286843][ T10] inet6_addr_add+0x30e/0xa40 [ 400.286843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.286843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.286843][ T10] netlink_rcv_skb+0x130/0x360 [ 400.286843][ T10] netlink_unicast+0x449/0x710 [ 400.286843][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.286843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.286843][ T10] ___sys_sendmsg+0xee/0x170 [ 400.286843][ T10] __sys_sendmsg+0xcd/0x170 [ 400.286843][ T10] do_syscall_64+0xc6/0x1e0 [ 400.286843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.286843][ T10] [ 400.295283][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 400.295283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.295283][ T10] ipv6_find_idev+0x102/0x170 [ 400.295283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.295283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.295283][ T10] netlink_rcv_skb+0x130/0x360 [ 400.295283][ T10] netlink_unicast+0x449/0x710 [ 400.295283][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.295283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.295283][ T10] ___sys_sendmsg+0xee/0x170 [ 400.295283][ T10] __sys_sendmsg+0xcd/0x170 [ 400.295283][ T10] do_syscall_64+0xc6/0x1e0 [ 400.295283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.295283][ T10] [ 400.306375][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 400.306375][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.306375][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.306375][ T10] ipv6_find_idev+0x102/0x170 [ 400.306375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.306375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.306375][ T10] netlink_rcv_skb+0x130/0x360 [ 400.306375][ T10] netlink_unicast+0x449/0x710 [ 400.306375][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.306375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.306375][ T10] ___sys_sendmsg+0xee/0x170 [ 400.306375][ T10] __sys_sendmsg+0xcd/0x170 [ 400.306375][ T10] do_syscall_64+0xc6/0x1e0 [ 400.306375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.306375][ T10] [ 400.314449][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 400.315497][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 400.315497][ T10] netdev_get_by_index+0x5e/0x80 [ 400.315497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.315497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.315497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.315497][ T10] ipv6_add_addr+0x411/0x2000 [ 400.315497][ T10] inet6_addr_add+0x30e/0xa40 [ 400.315497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.315497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.315497][ T10] netlink_rcv_skb+0x130/0x360 [ 400.315497][ T10] netlink_unicast+0x449/0x710 [ 400.315497][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.315497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.315497][ T10] ___sys_sendmsg+0xee/0x170 [ 400.315497][ T10] __sys_sendmsg+0xcd/0x170 [ 400.315497][ T10] do_syscall_64+0xc6/0x1e0 [ 400.315497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.315497][ T10] [ 400.322390][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 400.322390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.322390][ T10] ipv6_find_idev+0x102/0x170 [ 400.322390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.322390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.322390][ T10] netlink_rcv_skb+0x130/0x360 [ 400.322390][ T10] netlink_unicast+0x449/0x710 [ 400.322390][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.322390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.322390][ T10] ___sys_sendmsg+0xee/0x170 [ 400.322390][ T10] __sys_sendmsg+0xcd/0x170 [ 400.322390][ T10] do_syscall_64+0xc6/0x1e0 [ 400.322390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.322390][ T10] [ 400.328766][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 400.328766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.328766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.328766][ T10] ipv6_find_idev+0x102/0x170 [ 400.328766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.328766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.328766][ T10] netlink_rcv_skb+0x130/0x360 [ 400.328766][ T10] netlink_unicast+0x449/0x710 [ 400.328766][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.328766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.328766][ T10] ___sys_sendmsg+0xee/0x170 [ 400.328766][ T10] __sys_sendmsg+0xcd/0x170 [ 400.328766][ T10] do_syscall_64+0xc6/0x1e0 [ 400.328766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.328766][ T10] [ 400.340242][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 400.340997][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 400.340997][ T10] netdev_get_by_index+0x5e/0x80 [ 400.340997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.340997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.340997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.340997][ T10] ipv6_add_addr+0x411/0x2000 [ 400.340997][ T10] inet6_addr_add+0x30e/0xa40 [ 400.340997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.340997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.340997][ T10] netlink_rcv_skb+0x130/0x360 [ 400.340997][ T10] netlink_unicast+0x449/0x710 [ 400.340997][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.340997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.340997][ T10] ___sys_sendmsg+0xee/0x170 [ 400.340997][ T10] __sys_sendmsg+0xcd/0x170 [ 400.340997][ T10] do_syscall_64+0xc6/0x1e0 [ 400.340997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.340997][ T10] [ 400.346648][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 400.346648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.346648][ T10] ipv6_find_idev+0x102/0x170 [ 400.346648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.346648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.346648][ T10] netlink_rcv_skb+0x130/0x360 [ 400.346648][ T10] netlink_unicast+0x449/0x710 [ 400.346648][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.346648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.346648][ T10] ___sys_sendmsg+0xee/0x170 [ 400.346648][ T10] __sys_sendmsg+0xcd/0x170 [ 400.346648][ T10] do_syscall_64+0xc6/0x1e0 [ 400.346648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.346648][ T10] [ 400.351165][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 400.351165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.351165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.351165][ T10] ipv6_find_idev+0x102/0x170 [ 400.351165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.351165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.351165][ T10] netlink_rcv_skb+0x130/0x360 [ 400.351165][ T10] netlink_unicast+0x449/0x710 [ 400.351165][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.351165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.351165][ T10] ___sys_sendmsg+0xee/0x170 [ 400.351165][ T10] __sys_sendmsg+0xcd/0x170 [ 400.351165][ T10] do_syscall_64+0xc6/0x1e0 [ 400.351165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.351165][ T10] [ 400.356712][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 400.360271][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 400.360271][ T10] netdev_get_by_index+0x5e/0x80 [ 400.360271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.360271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.360271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.360271][ T10] ipv6_add_addr+0x411/0x2000 [ 400.360271][ T10] inet6_addr_add+0x30e/0xa40 [ 400.360271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.360271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.360271][ T10] netlink_rcv_skb+0x130/0x360 [ 400.360271][ T10] netlink_unicast+0x449/0x710 [ 400.360271][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.360271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.360271][ T10] ___sys_sendmsg+0xee/0x170 [ 400.360271][ T10] __sys_sendmsg+0xcd/0x170 [ 400.360271][ T10] do_syscall_64+0xc6/0x1e0 [ 400.360271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.360271][ T10] [ 400.371956][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 400.371956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.371956][ T10] ipv6_find_idev+0x102/0x170 [ 400.371956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.371956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.371956][ T10] netlink_rcv_skb+0x130/0x360 [ 400.371956][ T10] netlink_unicast+0x449/0x710 [ 400.371956][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.371956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.371956][ T10] ___sys_sendmsg+0xee/0x170 [ 400.371956][ T10] __sys_sendmsg+0xcd/0x170 [ 400.371956][ T10] do_syscall_64+0xc6/0x1e0 [ 400.371956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.371956][ T10] [ 400.375465][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 400.375465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.375465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.375465][ T10] ipv6_find_idev+0x102/0x170 [ 400.375465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.375465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.375465][ T10] netlink_rcv_skb+0x130/0x360 [ 400.375465][ T10] netlink_unicast+0x449/0x710 [ 400.375465][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.375465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.375465][ T10] ___sys_sendmsg+0xee/0x170 [ 400.375465][ T10] __sys_sendmsg+0xcd/0x170 [ 400.375465][ T10] do_syscall_64+0xc6/0x1e0 [ 400.375465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.375465][ T10] [ 400.380533][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 400.381564][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 400.381564][ T10] netdev_get_by_index+0x5e/0x80 [ 400.381564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.381564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.381564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.381564][ T10] ipv6_add_addr+0x411/0x2000 [ 400.381564][ T10] inet6_addr_add+0x30e/0xa40 [ 400.381564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.381564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.381564][ T10] netlink_rcv_skb+0x130/0x360 [ 400.381564][ T10] netlink_unicast+0x449/0x710 [ 400.381564][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.381564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.381564][ T10] ___sys_sendmsg+0xee/0x170 [ 400.381564][ T10] __sys_sendmsg+0xcd/0x170 [ 400.381564][ T10] do_syscall_64+0xc6/0x1e0 [ 400.381564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.381564][ T10] [ 400.386723][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 400.386723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.386723][ T10] ipv6_find_idev+0x102/0x170 [ 400.386723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.386723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.386723][ T10] netlink_rcv_skb+0x130/0x360 [ 400.386723][ T10] netlink_unicast+0x449/0x710 [ 400.386723][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.386723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.386723][ T10] ___sys_sendmsg+0xee/0x170 [ 400.386723][ T10] __sys_sendmsg+0xcd/0x170 [ 400.386723][ T10] do_syscall_64+0xc6/0x1e0 [ 400.386723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.386723][ T10] [ 400.391309][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 400.391309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.391309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.391309][ T10] ipv6_find_idev+0x102/0x170 [ 400.391309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.391309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.391309][ T10] netlink_rcv_skb+0x130/0x360 [ 400.391309][ T10] netlink_unicast+0x449/0x710 [ 400.391309][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.391309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.391309][ T10] ___sys_sendmsg+0xee/0x170 [ 400.391309][ T10] __sys_sendmsg+0xcd/0x170 [ 400.391309][ T10] do_syscall_64+0xc6/0x1e0 [ 400.391309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.391309][ T10] [ 400.397350][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 400.398409][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 400.398409][ T10] netdev_get_by_index+0x5e/0x80 [ 400.398409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.398409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.398409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.398409][ T10] ipv6_add_addr+0x411/0x2000 [ 400.398409][ T10] inet6_addr_add+0x30e/0xa40 [ 400.398409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.398409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.398409][ T10] netlink_rcv_skb+0x130/0x360 [ 400.398409][ T10] netlink_unicast+0x449/0x710 [ 400.398409][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.398409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.398409][ T10] ___sys_sendmsg+0xee/0x170 [ 400.398409][ T10] __sys_sendmsg+0xcd/0x170 [ 400.398409][ T10] do_syscall_64+0xc6/0x1e0 [ 400.398409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.398409][ T10] [ 400.404450][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 400.404450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.404450][ T10] ipv6_find_idev+0x102/0x170 [ 400.404450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.404450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.404450][ T10] netlink_rcv_skb+0x130/0x360 [ 400.404450][ T10] netlink_unicast+0x449/0x710 [ 400.404450][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.404450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.404450][ T10] ___sys_sendmsg+0xee/0x170 [ 400.404450][ T10] __sys_sendmsg+0xcd/0x170 [ 400.404450][ T10] do_syscall_64+0xc6/0x1e0 [ 400.404450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.404450][ T10] [ 400.408932][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 400.408932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.408932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.408932][ T10] ipv6_find_idev+0x102/0x170 [ 400.408932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.408932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.408932][ T10] netlink_rcv_skb+0x130/0x360 [ 400.408932][ T10] netlink_unicast+0x449/0x710 [ 400.408932][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.408932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.408932][ T10] ___sys_sendmsg+0xee/0x170 [ 400.408932][ T10] __sys_sendmsg+0xcd/0x170 [ 400.408932][ T10] do_syscall_64+0xc6/0x1e0 [ 400.408932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.408932][ T10] [ 400.416332][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 400.417225][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 400.417225][ T10] netdev_get_by_index+0x5e/0x80 [ 400.417225][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.417225][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.417225][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.417225][ T10] ipv6_add_addr+0x411/0x2000 [ 400.417225][ T10] inet6_addr_add+0x30e/0xa40 [ 400.417225][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.417225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.417225][ T10] netlink_rcv_skb+0x130/0x360 [ 400.417225][ T10] netlink_unicast+0x449/0x710 [ 400.417225][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.417225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.417225][ T10] ___sys_sendmsg+0xee/0x170 [ 400.417225][ T10] __sys_sendmsg+0xcd/0x170 [ 400.417225][ T10] do_syscall_64+0xc6/0x1e0 [ 400.417225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.417225][ T10] [ 400.436280][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 400.436280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.436280][ T10] ipv6_find_idev+0x102/0x170 [ 400.436280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.436280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.436280][ T10] netlink_rcv_skb+0x130/0x360 [ 400.436280][ T10] netlink_unicast+0x449/0x710 [ 400.436280][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.436280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.436280][ T10] ___sys_sendmsg+0xee/0x170 [ 400.436280][ T10] __sys_sendmsg+0xcd/0x170 [ 400.436280][ T10] do_syscall_64+0xc6/0x1e0 [ 400.436280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.436280][ T10] [ 400.440112][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 400.440112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.440112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.440112][ T10] ipv6_find_idev+0x102/0x170 [ 400.440112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.440112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.440112][ T10] netlink_rcv_skb+0x130/0x360 [ 400.440112][ T10] netlink_unicast+0x449/0x710 [ 400.440112][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.440112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.440112][ T10] ___sys_sendmsg+0xee/0x170 [ 400.440112][ T10] __sys_sendmsg+0xcd/0x170 [ 400.440112][ T10] do_syscall_64+0xc6/0x1e0 [ 400.440112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.440112][ T10] [ 400.444398][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 400.445158][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 400.445158][ T10] netdev_get_by_index+0x5e/0x80 [ 400.445158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 400.445158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 400.445158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 400.445158][ T10] ipv6_add_addr+0x411/0x2000 [ 400.445158][ T10] inet6_addr_add+0x30e/0xa40 [ 400.445158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 400.445158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.445158][ T10] netlink_rcv_skb+0x130/0x360 [ 400.445158][ T10] netlink_unicast+0x449/0x710 [ 400.445158][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.445158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.445158][ T10] ___sys_sendmsg+0xee/0x170 [ 400.445158][ T10] __sys_sendmsg+0xcd/0x170 [ 400.445158][ T10] do_syscall_64+0xc6/0x1e0 [ 400.445158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.445158][ T10] [ 400.450262][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 400.450262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 400.450262][ T10] ipv6_find_idev+0x102/0x170 [ 400.450262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.450262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.450262][ T10] netlink_rcv_skb+0x130/0x360 [ 400.450262][ T10] netlink_unicast+0x449/0x710 [ 400.450262][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.450262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.450262][ T10] ___sys_sendmsg+0xee/0x170 [ 400.450262][ T10] __sys_sendmsg+0xcd/0x170 [ 400.450262][ T10] do_syscall_64+0xc6/0x1e0 [ 400.450262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.450262][ T10] [ 400.454233][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 400.454233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 400.454233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 400.454233][ T10] ipv6_find_idev+0x102/0x170 [ 400.454233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 400.454233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 400.454233][ T10] netlink_rcv_skb+0x130/0x360 [ 400.454233][ T10] netlink_unicast+0x449/0x710 [ 400.454233][ T10] netlink_sendmsg+0x723/0xbe0 [ 400.454233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 400.454233][ T10] ___sys_sendmsg+0xee/0x170 [ 400.454233][ T10] __sys_sendmsg+0xcd/0x170 [ 400.454233][ T10] do_syscall_64+0xc6/0x1e0 [ 400.454233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 400.454233][ T10] [ 410.614457][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 410.615362][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 410.615362][ T10] netdev_get_by_index+0x5e/0x80 [ 410.615362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.615362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.615362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.615362][ T10] ipv6_add_addr+0x411/0x2000 [ 410.615362][ T10] inet6_addr_add+0x30e/0xa40 [ 410.615362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.615362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.615362][ T10] netlink_rcv_skb+0x130/0x360 [ 410.615362][ T10] netlink_unicast+0x449/0x710 [ 410.615362][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.615362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.615362][ T10] ___sys_sendmsg+0xee/0x170 [ 410.615362][ T10] __sys_sendmsg+0xcd/0x170 [ 410.615362][ T10] do_syscall_64+0xc6/0x1e0 [ 410.615362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.615362][ T10] [ 410.620027][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 410.620027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.620027][ T10] ipv6_find_idev+0x102/0x170 [ 410.620027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.620027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.620027][ T10] netlink_rcv_skb+0x130/0x360 [ 410.620027][ T10] netlink_unicast+0x449/0x710 [ 410.620027][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.620027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.620027][ T10] ___sys_sendmsg+0xee/0x170 [ 410.620027][ T10] __sys_sendmsg+0xcd/0x170 [ 410.620027][ T10] do_syscall_64+0xc6/0x1e0 [ 410.620027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.620027][ T10] [ 410.624519][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 410.624519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.624519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.624519][ T10] ipv6_find_idev+0x102/0x170 [ 410.624519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.624519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.624519][ T10] netlink_rcv_skb+0x130/0x360 [ 410.624519][ T10] netlink_unicast+0x449/0x710 [ 410.624519][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.624519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.624519][ T10] ___sys_sendmsg+0xee/0x170 [ 410.624519][ T10] __sys_sendmsg+0xcd/0x170 [ 410.624519][ T10] do_syscall_64+0xc6/0x1e0 [ 410.624519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.624519][ T10] [ 410.636029][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 410.636735][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 410.636735][ T10] netdev_get_by_index+0x5e/0x80 [ 410.636735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.636735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.636735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.636735][ T10] ipv6_add_addr+0x411/0x2000 [ 410.636735][ T10] inet6_addr_add+0x30e/0xa40 [ 410.636735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.636735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.636735][ T10] netlink_rcv_skb+0x130/0x360 [ 410.636735][ T10] netlink_unicast+0x449/0x710 [ 410.636735][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.636735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.636735][ T10] ___sys_sendmsg+0xee/0x170 [ 410.636735][ T10] __sys_sendmsg+0xcd/0x170 [ 410.636735][ T10] do_syscall_64+0xc6/0x1e0 [ 410.636735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.636735][ T10] [ 410.642540][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 410.642540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.642540][ T10] ipv6_find_idev+0x102/0x170 [ 410.642540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.642540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.642540][ T10] netlink_rcv_skb+0x130/0x360 [ 410.642540][ T10] netlink_unicast+0x449/0x710 [ 410.642540][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.642540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.642540][ T10] ___sys_sendmsg+0xee/0x170 [ 410.642540][ T10] __sys_sendmsg+0xcd/0x170 [ 410.642540][ T10] do_syscall_64+0xc6/0x1e0 [ 410.642540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.642540][ T10] [ 410.647599][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 410.647599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.647599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.647599][ T10] ipv6_find_idev+0x102/0x170 [ 410.647599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.647599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.647599][ T10] netlink_rcv_skb+0x130/0x360 [ 410.647599][ T10] netlink_unicast+0x449/0x710 [ 410.647599][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.647599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.647599][ T10] ___sys_sendmsg+0xee/0x170 [ 410.647599][ T10] __sys_sendmsg+0xcd/0x170 [ 410.647599][ T10] do_syscall_64+0xc6/0x1e0 [ 410.647599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.647599][ T10] [ 410.667987][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 410.668750][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 410.668750][ T10] netdev_get_by_index+0x5e/0x80 [ 410.668750][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.668750][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.668750][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.668750][ T10] ipv6_add_addr+0x411/0x2000 [ 410.668750][ T10] inet6_addr_add+0x30e/0xa40 [ 410.668750][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.668750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.668750][ T10] netlink_rcv_skb+0x130/0x360 [ 410.668750][ T10] netlink_unicast+0x449/0x710 [ 410.668750][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.668750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.668750][ T10] ___sys_sendmsg+0xee/0x170 [ 410.668750][ T10] __sys_sendmsg+0xcd/0x170 [ 410.668750][ T10] do_syscall_64+0xc6/0x1e0 [ 410.668750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.668750][ T10] [ 410.673460][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 410.673460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.673460][ T10] ipv6_find_idev+0x102/0x170 [ 410.673460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.673460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.673460][ T10] netlink_rcv_skb+0x130/0x360 [ 410.673460][ T10] netlink_unicast+0x449/0x710 [ 410.673460][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.673460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.673460][ T10] ___sys_sendmsg+0xee/0x170 [ 410.673460][ T10] __sys_sendmsg+0xcd/0x170 [ 410.673460][ T10] do_syscall_64+0xc6/0x1e0 [ 410.673460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.673460][ T10] [ 410.678534][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 410.678534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.678534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.678534][ T10] ipv6_find_idev+0x102/0x170 [ 410.678534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.678534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.678534][ T10] netlink_rcv_skb+0x130/0x360 [ 410.678534][ T10] netlink_unicast+0x449/0x710 [ 410.678534][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.678534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.678534][ T10] ___sys_sendmsg+0xee/0x170 [ 410.678534][ T10] __sys_sendmsg+0xcd/0x170 [ 410.678534][ T10] do_syscall_64+0xc6/0x1e0 [ 410.678534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.678534][ T10] [ 410.689343][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 410.691474][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 410.691474][ T10] netdev_get_by_index+0x5e/0x80 [ 410.691474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.691474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.691474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.691474][ T10] ipv6_add_addr+0x411/0x2000 [ 410.691474][ T10] inet6_addr_add+0x30e/0xa40 [ 410.691474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.691474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.691474][ T10] netlink_rcv_skb+0x130/0x360 [ 410.691474][ T10] netlink_unicast+0x449/0x710 [ 410.691474][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.691474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.691474][ T10] ___sys_sendmsg+0xee/0x170 [ 410.691474][ T10] __sys_sendmsg+0xcd/0x170 [ 410.691474][ T10] do_syscall_64+0xc6/0x1e0 [ 410.691474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.691474][ T10] [ 410.698726][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 410.698726][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.698726][ T10] ipv6_find_idev+0x102/0x170 [ 410.698726][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.698726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.698726][ T10] netlink_rcv_skb+0x130/0x360 [ 410.698726][ T10] netlink_unicast+0x449/0x710 [ 410.698726][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.698726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.698726][ T10] ___sys_sendmsg+0xee/0x170 [ 410.698726][ T10] __sys_sendmsg+0xcd/0x170 [ 410.698726][ T10] do_syscall_64+0xc6/0x1e0 [ 410.698726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.698726][ T10] [ 410.703844][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 410.703844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.703844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.703844][ T10] ipv6_find_idev+0x102/0x170 [ 410.703844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.703844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.703844][ T10] netlink_rcv_skb+0x130/0x360 [ 410.703844][ T10] netlink_unicast+0x449/0x710 [ 410.703844][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.703844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.703844][ T10] ___sys_sendmsg+0xee/0x170 [ 410.703844][ T10] __sys_sendmsg+0xcd/0x170 [ 410.703844][ T10] do_syscall_64+0xc6/0x1e0 [ 410.703844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.703844][ T10] [ 410.726009][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 410.727962][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 410.727962][ T10] netdev_get_by_index+0x5e/0x80 [ 410.727962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.727962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.727962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.727962][ T10] ipv6_add_addr+0x411/0x2000 [ 410.727962][ T10] inet6_addr_add+0x30e/0xa40 [ 410.727962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.727962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.727962][ T10] netlink_rcv_skb+0x130/0x360 [ 410.727962][ T10] netlink_unicast+0x449/0x710 [ 410.727962][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.727962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.727962][ T10] ___sys_sendmsg+0xee/0x170 [ 410.727962][ T10] __sys_sendmsg+0xcd/0x170 [ 410.727962][ T10] do_syscall_64+0xc6/0x1e0 [ 410.727962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.727962][ T10] [ 410.735740][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 410.735740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.735740][ T10] ipv6_find_idev+0x102/0x170 [ 410.735740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.735740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.735740][ T10] netlink_rcv_skb+0x130/0x360 [ 410.735740][ T10] netlink_unicast+0x449/0x710 [ 410.735740][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.735740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.735740][ T10] ___sys_sendmsg+0xee/0x170 [ 410.735740][ T10] __sys_sendmsg+0xcd/0x170 [ 410.735740][ T10] do_syscall_64+0xc6/0x1e0 [ 410.735740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.735740][ T10] [ 410.741152][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 410.741152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.741152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.741152][ T10] ipv6_find_idev+0x102/0x170 [ 410.741152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.741152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.741152][ T10] netlink_rcv_skb+0x130/0x360 [ 410.741152][ T10] netlink_unicast+0x449/0x710 [ 410.741152][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.741152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.741152][ T10] ___sys_sendmsg+0xee/0x170 [ 410.741152][ T10] __sys_sendmsg+0xcd/0x170 [ 410.741152][ T10] do_syscall_64+0xc6/0x1e0 [ 410.741152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.741152][ T10] [ 410.763755][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 410.764382][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 410.764382][ T10] netdev_get_by_index+0x5e/0x80 [ 410.764382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.764382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.764382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.764382][ T10] ipv6_add_addr+0x411/0x2000 [ 410.764382][ T10] inet6_addr_add+0x30e/0xa40 [ 410.764382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.764382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.764382][ T10] netlink_rcv_skb+0x130/0x360 [ 410.764382][ T10] netlink_unicast+0x449/0x710 [ 410.764382][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.764382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.764382][ T10] ___sys_sendmsg+0xee/0x170 [ 410.764382][ T10] __sys_sendmsg+0xcd/0x170 [ 410.764382][ T10] do_syscall_64+0xc6/0x1e0 [ 410.764382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.764382][ T10] [ 410.774412][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 410.774412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.774412][ T10] ipv6_find_idev+0x102/0x170 [ 410.774412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.774412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.774412][ T10] netlink_rcv_skb+0x130/0x360 [ 410.774412][ T10] netlink_unicast+0x449/0x710 [ 410.774412][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.774412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.774412][ T10] ___sys_sendmsg+0xee/0x170 [ 410.774412][ T10] __sys_sendmsg+0xcd/0x170 [ 410.774412][ T10] do_syscall_64+0xc6/0x1e0 [ 410.774412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.774412][ T10] [ 410.798919][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 410.798919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.798919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.798919][ T10] ipv6_find_idev+0x102/0x170 [ 410.798919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.798919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.798919][ T10] netlink_rcv_skb+0x130/0x360 [ 410.798919][ T10] netlink_unicast+0x449/0x710 [ 410.798919][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.798919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.798919][ T10] ___sys_sendmsg+0xee/0x170 [ 410.798919][ T10] __sys_sendmsg+0xcd/0x170 [ 410.798919][ T10] do_syscall_64+0xc6/0x1e0 [ 410.798919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.798919][ T10] [ 410.802763][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 410.803287][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 410.803287][ T10] netdev_get_by_index+0x5e/0x80 [ 410.803287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.803287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.803287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.803287][ T10] ipv6_add_addr+0x411/0x2000 [ 410.803287][ T10] inet6_addr_add+0x30e/0xa40 [ 410.803287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.803287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.803287][ T10] netlink_rcv_skb+0x130/0x360 [ 410.803287][ T10] netlink_unicast+0x449/0x710 [ 410.803287][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.803287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.803287][ T10] ___sys_sendmsg+0xee/0x170 [ 410.803287][ T10] __sys_sendmsg+0xcd/0x170 [ 410.803287][ T10] do_syscall_64+0xc6/0x1e0 [ 410.803287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.803287][ T10] [ 410.808428][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 410.808428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.808428][ T10] ipv6_find_idev+0x102/0x170 [ 410.808428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.808428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.808428][ T10] netlink_rcv_skb+0x130/0x360 [ 410.808428][ T10] netlink_unicast+0x449/0x710 [ 410.808428][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.808428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.808428][ T10] ___sys_sendmsg+0xee/0x170 [ 410.808428][ T10] __sys_sendmsg+0xcd/0x170 [ 410.808428][ T10] do_syscall_64+0xc6/0x1e0 [ 410.808428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.808428][ T10] [ 410.812843][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 410.812843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.812843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.812843][ T10] ipv6_find_idev+0x102/0x170 [ 410.812843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.812843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.812843][ T10] netlink_rcv_skb+0x130/0x360 [ 410.812843][ T10] netlink_unicast+0x449/0x710 [ 410.812843][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.812843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.812843][ T10] ___sys_sendmsg+0xee/0x170 [ 410.812843][ T10] __sys_sendmsg+0xcd/0x170 [ 410.812843][ T10] do_syscall_64+0xc6/0x1e0 [ 410.812843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.812843][ T10] [ 410.822929][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 410.823544][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 410.823544][ T10] netdev_get_by_index+0x5e/0x80 [ 410.823544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 410.823544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 410.823544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 410.823544][ T10] ipv6_add_addr+0x411/0x2000 [ 410.823544][ T10] inet6_addr_add+0x30e/0xa40 [ 410.823544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 410.823544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.823544][ T10] netlink_rcv_skb+0x130/0x360 [ 410.823544][ T10] netlink_unicast+0x449/0x710 [ 410.823544][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.823544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.823544][ T10] ___sys_sendmsg+0xee/0x170 [ 410.823544][ T10] __sys_sendmsg+0xcd/0x170 [ 410.823544][ T10] do_syscall_64+0xc6/0x1e0 [ 410.823544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.823544][ T10] [ 410.830337][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 410.830337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 410.830337][ T10] ipv6_find_idev+0x102/0x170 [ 410.830337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.830337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.830337][ T10] netlink_rcv_skb+0x130/0x360 [ 410.830337][ T10] netlink_unicast+0x449/0x710 [ 410.830337][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.830337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.830337][ T10] ___sys_sendmsg+0xee/0x170 [ 410.830337][ T10] __sys_sendmsg+0xcd/0x170 [ 410.830337][ T10] do_syscall_64+0xc6/0x1e0 [ 410.830337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.830337][ T10] [ 410.835751][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 410.835751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 410.835751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 410.835751][ T10] ipv6_find_idev+0x102/0x170 [ 410.835751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 410.835751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 410.835751][ T10] netlink_rcv_skb+0x130/0x360 [ 410.835751][ T10] netlink_unicast+0x449/0x710 [ 410.835751][ T10] netlink_sendmsg+0x723/0xbe0 [ 410.835751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 410.835751][ T10] ___sys_sendmsg+0xee/0x170 [ 410.835751][ T10] __sys_sendmsg+0xcd/0x170 [ 410.835751][ T10] do_syscall_64+0xc6/0x1e0 [ 410.835751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 410.835751][ T10] [ 420.864834][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 420.865828][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 420.865828][ T10] netdev_get_by_index+0x5e/0x80 [ 420.865828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.865828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.865828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.865828][ T10] ipv6_add_addr+0x411/0x2000 [ 420.865828][ T10] inet6_addr_add+0x30e/0xa40 [ 420.865828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.865828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.865828][ T10] netlink_rcv_skb+0x130/0x360 [ 420.865828][ T10] netlink_unicast+0x449/0x710 [ 420.865828][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.865828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.865828][ T10] ___sys_sendmsg+0xee/0x170 [ 420.865828][ T10] __sys_sendmsg+0xcd/0x170 [ 420.865828][ T10] do_syscall_64+0xc6/0x1e0 [ 420.865828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.865828][ T10] [ 420.870685][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 420.870685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.870685][ T10] ipv6_find_idev+0x102/0x170 [ 420.870685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.870685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.870685][ T10] netlink_rcv_skb+0x130/0x360 [ 420.870685][ T10] netlink_unicast+0x449/0x710 [ 420.870685][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.870685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.870685][ T10] ___sys_sendmsg+0xee/0x170 [ 420.870685][ T10] __sys_sendmsg+0xcd/0x170 [ 420.870685][ T10] do_syscall_64+0xc6/0x1e0 [ 420.870685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.870685][ T10] [ 420.874221][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 420.874221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.874221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.874221][ T10] ipv6_find_idev+0x102/0x170 [ 420.874221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.874221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.874221][ T10] netlink_rcv_skb+0x130/0x360 [ 420.874221][ T10] netlink_unicast+0x449/0x710 [ 420.874221][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.874221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.874221][ T10] ___sys_sendmsg+0xee/0x170 [ 420.874221][ T10] __sys_sendmsg+0xcd/0x170 [ 420.874221][ T10] do_syscall_64+0xc6/0x1e0 [ 420.874221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.874221][ T10] [ 420.878930][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 420.879645][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 420.879645][ T10] netdev_get_by_index+0x5e/0x80 [ 420.879645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.879645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.879645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.879645][ T10] ipv6_add_addr+0x411/0x2000 [ 420.879645][ T10] inet6_addr_add+0x30e/0xa40 [ 420.879645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.879645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.879645][ T10] netlink_rcv_skb+0x130/0x360 [ 420.879645][ T10] netlink_unicast+0x449/0x710 [ 420.879645][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.879645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.879645][ T10] ___sys_sendmsg+0xee/0x170 [ 420.879645][ T10] __sys_sendmsg+0xcd/0x170 [ 420.879645][ T10] do_syscall_64+0xc6/0x1e0 [ 420.879645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.879645][ T10] [ 420.884479][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 420.884479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.884479][ T10] ipv6_find_idev+0x102/0x170 [ 420.884479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.884479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.884479][ T10] netlink_rcv_skb+0x130/0x360 [ 420.884479][ T10] netlink_unicast+0x449/0x710 [ 420.884479][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.884479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.884479][ T10] ___sys_sendmsg+0xee/0x170 [ 420.884479][ T10] __sys_sendmsg+0xcd/0x170 [ 420.884479][ T10] do_syscall_64+0xc6/0x1e0 [ 420.884479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.884479][ T10] [ 420.889423][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 420.889423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.889423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.889423][ T10] ipv6_find_idev+0x102/0x170 [ 420.889423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.889423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.889423][ T10] netlink_rcv_skb+0x130/0x360 [ 420.889423][ T10] netlink_unicast+0x449/0x710 [ 420.889423][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.889423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.889423][ T10] ___sys_sendmsg+0xee/0x170 [ 420.889423][ T10] __sys_sendmsg+0xcd/0x170 [ 420.889423][ T10] do_syscall_64+0xc6/0x1e0 [ 420.889423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.889423][ T10] [ 420.895923][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 420.897195][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 420.897195][ T10] netdev_get_by_index+0x5e/0x80 [ 420.897195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.897195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.897195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.897195][ T10] ipv6_add_addr+0x411/0x2000 [ 420.897195][ T10] inet6_addr_add+0x30e/0xa40 [ 420.897195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.897195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.897195][ T10] netlink_rcv_skb+0x130/0x360 [ 420.897195][ T10] netlink_unicast+0x449/0x710 [ 420.897195][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.897195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.897195][ T10] ___sys_sendmsg+0xee/0x170 [ 420.897195][ T10] __sys_sendmsg+0xcd/0x170 [ 420.897195][ T10] do_syscall_64+0xc6/0x1e0 [ 420.897195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.897195][ T10] [ 420.901987][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 420.901987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.901987][ T10] ipv6_find_idev+0x102/0x170 [ 420.901987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.901987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.901987][ T10] netlink_rcv_skb+0x130/0x360 [ 420.901987][ T10] netlink_unicast+0x449/0x710 [ 420.901987][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.901987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.901987][ T10] ___sys_sendmsg+0xee/0x170 [ 420.901987][ T10] __sys_sendmsg+0xcd/0x170 [ 420.901987][ T10] do_syscall_64+0xc6/0x1e0 [ 420.901987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.901987][ T10] [ 420.905563][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 420.905563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.905563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.905563][ T10] ipv6_find_idev+0x102/0x170 [ 420.905563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.905563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.905563][ T10] netlink_rcv_skb+0x130/0x360 [ 420.905563][ T10] netlink_unicast+0x449/0x710 [ 420.905563][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.905563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.905563][ T10] ___sys_sendmsg+0xee/0x170 [ 420.905563][ T10] __sys_sendmsg+0xcd/0x170 [ 420.905563][ T10] do_syscall_64+0xc6/0x1e0 [ 420.905563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.905563][ T10] [ 420.911281][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 420.912555][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 420.912555][ T10] netdev_get_by_index+0x5e/0x80 [ 420.912555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.912555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.912555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.912555][ T10] ipv6_add_addr+0x411/0x2000 [ 420.912555][ T10] inet6_addr_add+0x30e/0xa40 [ 420.912555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.912555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.912555][ T10] netlink_rcv_skb+0x130/0x360 [ 420.912555][ T10] netlink_unicast+0x449/0x710 [ 420.912555][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.912555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.912555][ T10] ___sys_sendmsg+0xee/0x170 [ 420.912555][ T10] __sys_sendmsg+0xcd/0x170 [ 420.912555][ T10] do_syscall_64+0xc6/0x1e0 [ 420.912555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.912555][ T10] [ 420.917718][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 420.917718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.917718][ T10] ipv6_find_idev+0x102/0x170 [ 420.917718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.917718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.917718][ T10] netlink_rcv_skb+0x130/0x360 [ 420.917718][ T10] netlink_unicast+0x449/0x710 [ 420.917718][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.917718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.917718][ T10] ___sys_sendmsg+0xee/0x170 [ 420.917718][ T10] __sys_sendmsg+0xcd/0x170 [ 420.917718][ T10] do_syscall_64+0xc6/0x1e0 [ 420.917718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.917718][ T10] [ 420.921812][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 420.921812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.921812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.921812][ T10] ipv6_find_idev+0x102/0x170 [ 420.921812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.921812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.921812][ T10] netlink_rcv_skb+0x130/0x360 [ 420.921812][ T10] netlink_unicast+0x449/0x710 [ 420.921812][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.921812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.921812][ T10] ___sys_sendmsg+0xee/0x170 [ 420.921812][ T10] __sys_sendmsg+0xcd/0x170 [ 420.921812][ T10] do_syscall_64+0xc6/0x1e0 [ 420.921812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.921812][ T10] [ 420.926195][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 420.927165][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 420.927165][ T10] netdev_get_by_index+0x5e/0x80 [ 420.927165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.927165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.927165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.927165][ T10] ipv6_add_addr+0x411/0x2000 [ 420.927165][ T10] inet6_addr_add+0x30e/0xa40 [ 420.927165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.927165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.927165][ T10] netlink_rcv_skb+0x130/0x360 [ 420.927165][ T10] netlink_unicast+0x449/0x710 [ 420.927165][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.927165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.927165][ T10] ___sys_sendmsg+0xee/0x170 [ 420.927165][ T10] __sys_sendmsg+0xcd/0x170 [ 420.927165][ T10] do_syscall_64+0xc6/0x1e0 [ 420.927165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.927165][ T10] [ 420.931556][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 420.931556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.931556][ T10] ipv6_find_idev+0x102/0x170 [ 420.931556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.931556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.931556][ T10] netlink_rcv_skb+0x130/0x360 [ 420.931556][ T10] netlink_unicast+0x449/0x710 [ 420.931556][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.931556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.931556][ T10] ___sys_sendmsg+0xee/0x170 [ 420.931556][ T10] __sys_sendmsg+0xcd/0x170 [ 420.931556][ T10] do_syscall_64+0xc6/0x1e0 [ 420.931556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.931556][ T10] [ 420.935559][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 420.935559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.935559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.935559][ T10] ipv6_find_idev+0x102/0x170 [ 420.935559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.935559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.935559][ T10] netlink_rcv_skb+0x130/0x360 [ 420.935559][ T10] netlink_unicast+0x449/0x710 [ 420.935559][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.935559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.935559][ T10] ___sys_sendmsg+0xee/0x170 [ 420.935559][ T10] __sys_sendmsg+0xcd/0x170 [ 420.935559][ T10] do_syscall_64+0xc6/0x1e0 [ 420.935559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.935559][ T10] [ 420.939112][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 420.940041][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 420.940041][ T10] netdev_get_by_index+0x5e/0x80 [ 420.940041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.940041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.940041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.940041][ T10] ipv6_add_addr+0x411/0x2000 [ 420.940041][ T10] inet6_addr_add+0x30e/0xa40 [ 420.940041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.940041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.940041][ T10] netlink_rcv_skb+0x130/0x360 [ 420.940041][ T10] netlink_unicast+0x449/0x710 [ 420.940041][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.940041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.940041][ T10] ___sys_sendmsg+0xee/0x170 [ 420.940041][ T10] __sys_sendmsg+0xcd/0x170 [ 420.940041][ T10] do_syscall_64+0xc6/0x1e0 [ 420.940041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.940041][ T10] [ 420.943348][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 420.943348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.943348][ T10] ipv6_find_idev+0x102/0x170 [ 420.943348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.943348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.943348][ T10] netlink_rcv_skb+0x130/0x360 [ 420.943348][ T10] netlink_unicast+0x449/0x710 [ 420.943348][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.943348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.943348][ T10] ___sys_sendmsg+0xee/0x170 [ 420.943348][ T10] __sys_sendmsg+0xcd/0x170 [ 420.943348][ T10] do_syscall_64+0xc6/0x1e0 [ 420.943348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.943348][ T10] [ 420.947234][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 420.947234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.947234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.947234][ T10] ipv6_find_idev+0x102/0x170 [ 420.947234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.947234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.947234][ T10] netlink_rcv_skb+0x130/0x360 [ 420.947234][ T10] netlink_unicast+0x449/0x710 [ 420.947234][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.947234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.947234][ T10] ___sys_sendmsg+0xee/0x170 [ 420.947234][ T10] __sys_sendmsg+0xcd/0x170 [ 420.947234][ T10] do_syscall_64+0xc6/0x1e0 [ 420.947234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.947234][ T10] [ 420.955067][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 420.955706][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 420.955706][ T10] netdev_get_by_index+0x5e/0x80 [ 420.955706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.955706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.955706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.955706][ T10] ipv6_add_addr+0x411/0x2000 [ 420.955706][ T10] inet6_addr_add+0x30e/0xa40 [ 420.955706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.955706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.955706][ T10] netlink_rcv_skb+0x130/0x360 [ 420.955706][ T10] netlink_unicast+0x449/0x710 [ 420.955706][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.955706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.955706][ T10] ___sys_sendmsg+0xee/0x170 [ 420.955706][ T10] __sys_sendmsg+0xcd/0x170 [ 420.955706][ T10] do_syscall_64+0xc6/0x1e0 [ 420.955706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.955706][ T10] [ 420.959579][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 420.959579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.959579][ T10] ipv6_find_idev+0x102/0x170 [ 420.959579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.959579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.959579][ T10] netlink_rcv_skb+0x130/0x360 [ 420.959579][ T10] netlink_unicast+0x449/0x710 [ 420.959579][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.959579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.959579][ T10] ___sys_sendmsg+0xee/0x170 [ 420.959579][ T10] __sys_sendmsg+0xcd/0x170 [ 420.959579][ T10] do_syscall_64+0xc6/0x1e0 [ 420.959579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.959579][ T10] [ 420.962743][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 420.962743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.962743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.962743][ T10] ipv6_find_idev+0x102/0x170 [ 420.962743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.962743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.962743][ T10] netlink_rcv_skb+0x130/0x360 [ 420.962743][ T10] netlink_unicast+0x449/0x710 [ 420.962743][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.962743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.962743][ T10] ___sys_sendmsg+0xee/0x170 [ 420.962743][ T10] __sys_sendmsg+0xcd/0x170 [ 420.962743][ T10] do_syscall_64+0xc6/0x1e0 [ 420.962743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.962743][ T10] [ 420.966450][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 420.967154][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 420.967154][ T10] netdev_get_by_index+0x5e/0x80 [ 420.967154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 420.967154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 420.967154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 420.967154][ T10] ipv6_add_addr+0x411/0x2000 [ 420.967154][ T10] inet6_addr_add+0x30e/0xa40 [ 420.967154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 420.967154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.967154][ T10] netlink_rcv_skb+0x130/0x360 [ 420.967154][ T10] netlink_unicast+0x449/0x710 [ 420.967154][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.967154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.967154][ T10] ___sys_sendmsg+0xee/0x170 [ 420.967154][ T10] __sys_sendmsg+0xcd/0x170 [ 420.967154][ T10] do_syscall_64+0xc6/0x1e0 [ 420.967154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.967154][ T10] [ 420.971732][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 420.971732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 420.971732][ T10] ipv6_find_idev+0x102/0x170 [ 420.971732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.971732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.971732][ T10] netlink_rcv_skb+0x130/0x360 [ 420.971732][ T10] netlink_unicast+0x449/0x710 [ 420.971732][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.971732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.971732][ T10] ___sys_sendmsg+0xee/0x170 [ 420.971732][ T10] __sys_sendmsg+0xcd/0x170 [ 420.971732][ T10] do_syscall_64+0xc6/0x1e0 [ 420.971732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.971732][ T10] [ 420.975511][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 420.975511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 420.975511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 420.975511][ T10] ipv6_find_idev+0x102/0x170 [ 420.975511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 420.975511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 420.975511][ T10] netlink_rcv_skb+0x130/0x360 [ 420.975511][ T10] netlink_unicast+0x449/0x710 [ 420.975511][ T10] netlink_sendmsg+0x723/0xbe0 [ 420.975511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 420.975511][ T10] ___sys_sendmsg+0xee/0x170 [ 420.975511][ T10] __sys_sendmsg+0xcd/0x170 [ 420.975511][ T10] do_syscall_64+0xc6/0x1e0 [ 420.975511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 420.975511][ T10] [ 431.046713][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 431.047294][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 431.047294][ T10] netdev_get_by_index+0x5e/0x80 [ 431.047294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.047294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.047294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.047294][ T10] ipv6_add_addr+0x411/0x2000 [ 431.047294][ T10] inet6_addr_add+0x30e/0xa40 [ 431.047294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.047294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.047294][ T10] netlink_rcv_skb+0x130/0x360 [ 431.047294][ T10] netlink_unicast+0x449/0x710 [ 431.047294][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.047294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.047294][ T10] ___sys_sendmsg+0xee/0x170 [ 431.047294][ T10] __sys_sendmsg+0xcd/0x170 [ 431.047294][ T10] do_syscall_64+0xc6/0x1e0 [ 431.047294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.047294][ T10] [ 431.049479][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 431.049479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.049479][ T10] ipv6_find_idev+0x102/0x170 [ 431.049479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.049479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.049479][ T10] netlink_rcv_skb+0x130/0x360 [ 431.049479][ T10] netlink_unicast+0x449/0x710 [ 431.049479][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.049479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.049479][ T10] ___sys_sendmsg+0xee/0x170 [ 431.049479][ T10] __sys_sendmsg+0xcd/0x170 [ 431.049479][ T10] do_syscall_64+0xc6/0x1e0 [ 431.049479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.049479][ T10] [ 431.051107][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 431.051107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.051107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.051107][ T10] ipv6_find_idev+0x102/0x170 [ 431.051107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.051107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.051107][ T10] netlink_rcv_skb+0x130/0x360 [ 431.051107][ T10] netlink_unicast+0x449/0x710 [ 431.051107][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.051107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.051107][ T10] ___sys_sendmsg+0xee/0x170 [ 431.051107][ T10] __sys_sendmsg+0xcd/0x170 [ 431.051107][ T10] do_syscall_64+0xc6/0x1e0 [ 431.051107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.051107][ T10] [ 431.052949][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 431.053245][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 431.053245][ T10] netdev_get_by_index+0x5e/0x80 [ 431.053245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.053245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.053245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.053245][ T10] ipv6_add_addr+0x411/0x2000 [ 431.053245][ T10] inet6_addr_add+0x30e/0xa40 [ 431.053245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.053245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.053245][ T10] netlink_rcv_skb+0x130/0x360 [ 431.053245][ T10] netlink_unicast+0x449/0x710 [ 431.053245][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.053245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.053245][ T10] ___sys_sendmsg+0xee/0x170 [ 431.053245][ T10] __sys_sendmsg+0xcd/0x170 [ 431.053245][ T10] do_syscall_64+0xc6/0x1e0 [ 431.053245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.053245][ T10] [ 431.055359][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 431.055359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.055359][ T10] ipv6_find_idev+0x102/0x170 [ 431.055359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.055359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.055359][ T10] netlink_rcv_skb+0x130/0x360 [ 431.055359][ T10] netlink_unicast+0x449/0x710 [ 431.055359][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.055359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.055359][ T10] ___sys_sendmsg+0xee/0x170 [ 431.055359][ T10] __sys_sendmsg+0xcd/0x170 [ 431.055359][ T10] do_syscall_64+0xc6/0x1e0 [ 431.055359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.055359][ T10] [ 431.057144][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 431.057144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.057144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.057144][ T10] ipv6_find_idev+0x102/0x170 [ 431.057144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.057144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.057144][ T10] netlink_rcv_skb+0x130/0x360 [ 431.057144][ T10] netlink_unicast+0x449/0x710 [ 431.057144][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.057144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.057144][ T10] ___sys_sendmsg+0xee/0x170 [ 431.057144][ T10] __sys_sendmsg+0xcd/0x170 [ 431.057144][ T10] do_syscall_64+0xc6/0x1e0 [ 431.057144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.057144][ T10] [ 431.058975][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 431.059278][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 431.059278][ T10] netdev_get_by_index+0x5e/0x80 [ 431.059278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.059278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.059278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.059278][ T10] ipv6_add_addr+0x411/0x2000 [ 431.059278][ T10] inet6_addr_add+0x30e/0xa40 [ 431.059278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.059278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.059278][ T10] netlink_rcv_skb+0x130/0x360 [ 431.059278][ T10] netlink_unicast+0x449/0x710 [ 431.059278][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.059278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.059278][ T10] ___sys_sendmsg+0xee/0x170 [ 431.059278][ T10] __sys_sendmsg+0xcd/0x170 [ 431.059278][ T10] do_syscall_64+0xc6/0x1e0 [ 431.059278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.059278][ T10] [ 431.061427][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 431.061427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.061427][ T10] ipv6_find_idev+0x102/0x170 [ 431.061427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.061427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.061427][ T10] netlink_rcv_skb+0x130/0x360 [ 431.061427][ T10] netlink_unicast+0x449/0x710 [ 431.061427][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.061427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.061427][ T10] ___sys_sendmsg+0xee/0x170 [ 431.061427][ T10] __sys_sendmsg+0xcd/0x170 [ 431.061427][ T10] do_syscall_64+0xc6/0x1e0 [ 431.061427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.061427][ T10] [ 431.063041][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 431.063041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.063041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.063041][ T10] ipv6_find_idev+0x102/0x170 [ 431.063041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.063041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.063041][ T10] netlink_rcv_skb+0x130/0x360 [ 431.063041][ T10] netlink_unicast+0x449/0x710 [ 431.063041][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.063041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.063041][ T10] ___sys_sendmsg+0xee/0x170 [ 431.063041][ T10] __sys_sendmsg+0xcd/0x170 [ 431.063041][ T10] do_syscall_64+0xc6/0x1e0 [ 431.063041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.063041][ T10] [ 431.064853][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 431.065128][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 431.065128][ T10] netdev_get_by_index+0x5e/0x80 [ 431.065128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.065128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.065128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.065128][ T10] ipv6_add_addr+0x411/0x2000 [ 431.065128][ T10] inet6_addr_add+0x30e/0xa40 [ 431.065128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.065128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.065128][ T10] netlink_rcv_skb+0x130/0x360 [ 431.065128][ T10] netlink_unicast+0x449/0x710 [ 431.065128][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.065128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.065128][ T10] ___sys_sendmsg+0xee/0x170 [ 431.065128][ T10] __sys_sendmsg+0xcd/0x170 [ 431.065128][ T10] do_syscall_64+0xc6/0x1e0 [ 431.065128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.065128][ T10] [ 431.067173][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 431.067173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.067173][ T10] ipv6_find_idev+0x102/0x170 [ 431.067173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.067173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.067173][ T10] netlink_rcv_skb+0x130/0x360 [ 431.067173][ T10] netlink_unicast+0x449/0x710 [ 431.067173][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.067173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.067173][ T10] ___sys_sendmsg+0xee/0x170 [ 431.067173][ T10] __sys_sendmsg+0xcd/0x170 [ 431.067173][ T10] do_syscall_64+0xc6/0x1e0 [ 431.067173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.067173][ T10] [ 431.068783][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 431.068783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.068783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.068783][ T10] ipv6_find_idev+0x102/0x170 [ 431.068783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.068783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.068783][ T10] netlink_rcv_skb+0x130/0x360 [ 431.068783][ T10] netlink_unicast+0x449/0x710 [ 431.068783][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.068783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.068783][ T10] ___sys_sendmsg+0xee/0x170 [ 431.068783][ T10] __sys_sendmsg+0xcd/0x170 [ 431.068783][ T10] do_syscall_64+0xc6/0x1e0 [ 431.068783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.068783][ T10] [ 431.070989][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 431.071623][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 431.071623][ T10] netdev_get_by_index+0x5e/0x80 [ 431.071623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.071623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.071623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.071623][ T10] ipv6_add_addr+0x411/0x2000 [ 431.071623][ T10] inet6_addr_add+0x30e/0xa40 [ 431.071623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.071623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.071623][ T10] netlink_rcv_skb+0x130/0x360 [ 431.071623][ T10] netlink_unicast+0x449/0x710 [ 431.071623][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.071623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.071623][ T10] ___sys_sendmsg+0xee/0x170 [ 431.071623][ T10] __sys_sendmsg+0xcd/0x170 [ 431.071623][ T10] do_syscall_64+0xc6/0x1e0 [ 431.071623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.071623][ T10] [ 431.073639][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 431.073639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.073639][ T10] ipv6_find_idev+0x102/0x170 [ 431.073639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.073639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.073639][ T10] netlink_rcv_skb+0x130/0x360 [ 431.073639][ T10] netlink_unicast+0x449/0x710 [ 431.073639][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.073639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.073639][ T10] ___sys_sendmsg+0xee/0x170 [ 431.073639][ T10] __sys_sendmsg+0xcd/0x170 [ 431.073639][ T10] do_syscall_64+0xc6/0x1e0 [ 431.073639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.073639][ T10] [ 431.075195][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 431.075195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.075195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.075195][ T10] ipv6_find_idev+0x102/0x170 [ 431.075195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.075195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.075195][ T10] netlink_rcv_skb+0x130/0x360 [ 431.075195][ T10] netlink_unicast+0x449/0x710 [ 431.075195][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.075195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.075195][ T10] ___sys_sendmsg+0xee/0x170 [ 431.075195][ T10] __sys_sendmsg+0xcd/0x170 [ 431.075195][ T10] do_syscall_64+0xc6/0x1e0 [ 431.075195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.075195][ T10] [ 431.076909][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 431.077179][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 431.077179][ T10] netdev_get_by_index+0x5e/0x80 [ 431.077179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.077179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.077179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.077179][ T10] ipv6_add_addr+0x411/0x2000 [ 431.077179][ T10] inet6_addr_add+0x30e/0xa40 [ 431.077179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.077179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.077179][ T10] netlink_rcv_skb+0x130/0x360 [ 431.077179][ T10] netlink_unicast+0x449/0x710 [ 431.077179][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.077179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.077179][ T10] ___sys_sendmsg+0xee/0x170 [ 431.077179][ T10] __sys_sendmsg+0xcd/0x170 [ 431.077179][ T10] do_syscall_64+0xc6/0x1e0 [ 431.077179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.077179][ T10] [ 431.079216][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 431.079216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.079216][ T10] ipv6_find_idev+0x102/0x170 [ 431.079216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.079216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.079216][ T10] netlink_rcv_skb+0x130/0x360 [ 431.079216][ T10] netlink_unicast+0x449/0x710 [ 431.079216][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.079216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.079216][ T10] ___sys_sendmsg+0xee/0x170 [ 431.079216][ T10] __sys_sendmsg+0xcd/0x170 [ 431.079216][ T10] do_syscall_64+0xc6/0x1e0 [ 431.079216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.079216][ T10] [ 431.081044][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 431.081044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.081044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.081044][ T10] ipv6_find_idev+0x102/0x170 [ 431.081044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.081044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.081044][ T10] netlink_rcv_skb+0x130/0x360 [ 431.081044][ T10] netlink_unicast+0x449/0x710 [ 431.081044][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.081044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.081044][ T10] ___sys_sendmsg+0xee/0x170 [ 431.081044][ T10] __sys_sendmsg+0xcd/0x170 [ 431.081044][ T10] do_syscall_64+0xc6/0x1e0 [ 431.081044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.081044][ T10] [ 431.083013][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 431.083329][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 431.083329][ T10] netdev_get_by_index+0x5e/0x80 [ 431.083329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.083329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.083329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.083329][ T10] ipv6_add_addr+0x411/0x2000 [ 431.083329][ T10] inet6_addr_add+0x30e/0xa40 [ 431.083329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.083329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.083329][ T10] netlink_rcv_skb+0x130/0x360 [ 431.083329][ T10] netlink_unicast+0x449/0x710 [ 431.083329][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.083329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.083329][ T10] ___sys_sendmsg+0xee/0x170 [ 431.083329][ T10] __sys_sendmsg+0xcd/0x170 [ 431.083329][ T10] do_syscall_64+0xc6/0x1e0 [ 431.083329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.083329][ T10] [ 431.085518][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 431.085518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.085518][ T10] ipv6_find_idev+0x102/0x170 [ 431.085518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.085518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.085518][ T10] netlink_rcv_skb+0x130/0x360 [ 431.085518][ T10] netlink_unicast+0x449/0x710 [ 431.085518][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.085518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.085518][ T10] ___sys_sendmsg+0xee/0x170 [ 431.085518][ T10] __sys_sendmsg+0xcd/0x170 [ 431.085518][ T10] do_syscall_64+0xc6/0x1e0 [ 431.085518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.085518][ T10] [ 431.087294][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 431.087294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.087294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.087294][ T10] ipv6_find_idev+0x102/0x170 [ 431.087294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.087294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.087294][ T10] netlink_rcv_skb+0x130/0x360 [ 431.087294][ T10] netlink_unicast+0x449/0x710 [ 431.087294][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.087294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.087294][ T10] ___sys_sendmsg+0xee/0x170 [ 431.087294][ T10] __sys_sendmsg+0xcd/0x170 [ 431.087294][ T10] do_syscall_64+0xc6/0x1e0 [ 431.087294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.087294][ T10] [ 431.089353][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 431.089679][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 431.089679][ T10] netdev_get_by_index+0x5e/0x80 [ 431.089679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 431.089679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 431.089679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 431.089679][ T10] ipv6_add_addr+0x411/0x2000 [ 431.089679][ T10] inet6_addr_add+0x30e/0xa40 [ 431.089679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 431.089679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.089679][ T10] netlink_rcv_skb+0x130/0x360 [ 431.089679][ T10] netlink_unicast+0x449/0x710 [ 431.089679][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.089679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.089679][ T10] ___sys_sendmsg+0xee/0x170 [ 431.089679][ T10] __sys_sendmsg+0xcd/0x170 [ 431.089679][ T10] do_syscall_64+0xc6/0x1e0 [ 431.089679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.089679][ T10] [ 431.092002][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 431.092002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 431.092002][ T10] ipv6_find_idev+0x102/0x170 [ 431.092002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.092002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.092002][ T10] netlink_rcv_skb+0x130/0x360 [ 431.092002][ T10] netlink_unicast+0x449/0x710 [ 431.092002][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.092002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.092002][ T10] ___sys_sendmsg+0xee/0x170 [ 431.092002][ T10] __sys_sendmsg+0xcd/0x170 [ 431.092002][ T10] do_syscall_64+0xc6/0x1e0 [ 431.092002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.092002][ T10] [ 431.093819][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 431.093819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 431.093819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 431.093819][ T10] ipv6_find_idev+0x102/0x170 [ 431.093819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 431.093819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 431.093819][ T10] netlink_rcv_skb+0x130/0x360 [ 431.093819][ T10] netlink_unicast+0x449/0x710 [ 431.093819][ T10] netlink_sendmsg+0x723/0xbe0 [ 431.093819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 431.093819][ T10] ___sys_sendmsg+0xee/0x170 [ 431.093819][ T10] __sys_sendmsg+0xcd/0x170 [ 431.093819][ T10] do_syscall_64+0xc6/0x1e0 [ 431.093819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 431.093819][ T10] [ 441.102694][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 441.103139][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 441.103139][ T10] netdev_get_by_index+0x5e/0x80 [ 441.103139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.103139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.103139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.103139][ T10] ipv6_add_addr+0x411/0x2000 [ 441.103139][ T10] inet6_addr_add+0x30e/0xa40 [ 441.103139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.103139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.103139][ T10] netlink_rcv_skb+0x130/0x360 [ 441.103139][ T10] netlink_unicast+0x449/0x710 [ 441.103139][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.103139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.103139][ T10] ___sys_sendmsg+0xee/0x170 [ 441.103139][ T10] __sys_sendmsg+0xcd/0x170 [ 441.103139][ T10] do_syscall_64+0xc6/0x1e0 [ 441.103139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.103139][ T10] [ 441.105269][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 441.105269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.105269][ T10] ipv6_find_idev+0x102/0x170 [ 441.105269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.105269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.105269][ T10] netlink_rcv_skb+0x130/0x360 [ 441.105269][ T10] netlink_unicast+0x449/0x710 [ 441.105269][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.105269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.105269][ T10] ___sys_sendmsg+0xee/0x170 [ 441.105269][ T10] __sys_sendmsg+0xcd/0x170 [ 441.105269][ T10] do_syscall_64+0xc6/0x1e0 [ 441.105269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.105269][ T10] [ 441.106858][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 441.106858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.106858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.106858][ T10] ipv6_find_idev+0x102/0x170 [ 441.106858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.106858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.106858][ T10] netlink_rcv_skb+0x130/0x360 [ 441.106858][ T10] netlink_unicast+0x449/0x710 [ 441.106858][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.106858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.106858][ T10] ___sys_sendmsg+0xee/0x170 [ 441.106858][ T10] __sys_sendmsg+0xcd/0x170 [ 441.106858][ T10] do_syscall_64+0xc6/0x1e0 [ 441.106858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.106858][ T10] [ 441.108621][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 441.108911][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 441.108911][ T10] netdev_get_by_index+0x5e/0x80 [ 441.108911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.108911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.108911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.108911][ T10] ipv6_add_addr+0x411/0x2000 [ 441.108911][ T10] inet6_addr_add+0x30e/0xa40 [ 441.108911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.108911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.108911][ T10] netlink_rcv_skb+0x130/0x360 [ 441.108911][ T10] netlink_unicast+0x449/0x710 [ 441.108911][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.108911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.108911][ T10] ___sys_sendmsg+0xee/0x170 [ 441.108911][ T10] __sys_sendmsg+0xcd/0x170 [ 441.108911][ T10] do_syscall_64+0xc6/0x1e0 [ 441.108911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.108911][ T10] [ 441.111215][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 441.111215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.111215][ T10] ipv6_find_idev+0x102/0x170 [ 441.111215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.111215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.111215][ T10] netlink_rcv_skb+0x130/0x360 [ 441.111215][ T10] netlink_unicast+0x449/0x710 [ 441.111215][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.111215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.111215][ T10] ___sys_sendmsg+0xee/0x170 [ 441.111215][ T10] __sys_sendmsg+0xcd/0x170 [ 441.111215][ T10] do_syscall_64+0xc6/0x1e0 [ 441.111215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.111215][ T10] [ 441.112972][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 441.112972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.112972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.112972][ T10] ipv6_find_idev+0x102/0x170 [ 441.112972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.112972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.112972][ T10] netlink_rcv_skb+0x130/0x360 [ 441.112972][ T10] netlink_unicast+0x449/0x710 [ 441.112972][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.112972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.112972][ T10] ___sys_sendmsg+0xee/0x170 [ 441.112972][ T10] __sys_sendmsg+0xcd/0x170 [ 441.112972][ T10] do_syscall_64+0xc6/0x1e0 [ 441.112972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.112972][ T10] [ 441.114807][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 441.115091][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 441.115091][ T10] netdev_get_by_index+0x5e/0x80 [ 441.115091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.115091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.115091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.115091][ T10] ipv6_add_addr+0x411/0x2000 [ 441.115091][ T10] inet6_addr_add+0x30e/0xa40 [ 441.115091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.115091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.115091][ T10] netlink_rcv_skb+0x130/0x360 [ 441.115091][ T10] netlink_unicast+0x449/0x710 [ 441.115091][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.115091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.115091][ T10] ___sys_sendmsg+0xee/0x170 [ 441.115091][ T10] __sys_sendmsg+0xcd/0x170 [ 441.115091][ T10] do_syscall_64+0xc6/0x1e0 [ 441.115091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.115091][ T10] [ 441.117176][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 441.117176][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.117176][ T10] ipv6_find_idev+0x102/0x170 [ 441.117176][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.117176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.117176][ T10] netlink_rcv_skb+0x130/0x360 [ 441.117176][ T10] netlink_unicast+0x449/0x710 [ 441.117176][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.117176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.117176][ T10] ___sys_sendmsg+0xee/0x170 [ 441.117176][ T10] __sys_sendmsg+0xcd/0x170 [ 441.117176][ T10] do_syscall_64+0xc6/0x1e0 [ 441.117176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.117176][ T10] [ 441.118931][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 441.118931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.118931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.118931][ T10] ipv6_find_idev+0x102/0x170 [ 441.118931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.118931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.118931][ T10] netlink_rcv_skb+0x130/0x360 [ 441.118931][ T10] netlink_unicast+0x449/0x710 [ 441.118931][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.118931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.118931][ T10] ___sys_sendmsg+0xee/0x170 [ 441.118931][ T10] __sys_sendmsg+0xcd/0x170 [ 441.118931][ T10] do_syscall_64+0xc6/0x1e0 [ 441.118931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.118931][ T10] [ 441.120814][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 441.121091][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 441.121091][ T10] netdev_get_by_index+0x5e/0x80 [ 441.121091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.121091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.121091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.121091][ T10] ipv6_add_addr+0x411/0x2000 [ 441.121091][ T10] inet6_addr_add+0x30e/0xa40 [ 441.121091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.121091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.121091][ T10] netlink_rcv_skb+0x130/0x360 [ 441.121091][ T10] netlink_unicast+0x449/0x710 [ 441.121091][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.121091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.121091][ T10] ___sys_sendmsg+0xee/0x170 [ 441.121091][ T10] __sys_sendmsg+0xcd/0x170 [ 441.121091][ T10] do_syscall_64+0xc6/0x1e0 [ 441.121091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.121091][ T10] [ 441.123351][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 441.123351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.123351][ T10] ipv6_find_idev+0x102/0x170 [ 441.123351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.123351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.123351][ T10] netlink_rcv_skb+0x130/0x360 [ 441.123351][ T10] netlink_unicast+0x449/0x710 [ 441.123351][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.123351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.123351][ T10] ___sys_sendmsg+0xee/0x170 [ 441.123351][ T10] __sys_sendmsg+0xcd/0x170 [ 441.123351][ T10] do_syscall_64+0xc6/0x1e0 [ 441.123351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.123351][ T10] [ 441.124978][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 441.124978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.124978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.124978][ T10] ipv6_find_idev+0x102/0x170 [ 441.124978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.124978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.124978][ T10] netlink_rcv_skb+0x130/0x360 [ 441.124978][ T10] netlink_unicast+0x449/0x710 [ 441.124978][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.124978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.124978][ T10] ___sys_sendmsg+0xee/0x170 [ 441.124978][ T10] __sys_sendmsg+0xcd/0x170 [ 441.124978][ T10] do_syscall_64+0xc6/0x1e0 [ 441.124978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.124978][ T10] [ 441.126687][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 441.126964][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 441.126964][ T10] netdev_get_by_index+0x5e/0x80 [ 441.126964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.126964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.126964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.126964][ T10] ipv6_add_addr+0x411/0x2000 [ 441.126964][ T10] inet6_addr_add+0x30e/0xa40 [ 441.126964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.126964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.126964][ T10] netlink_rcv_skb+0x130/0x360 [ 441.126964][ T10] netlink_unicast+0x449/0x710 [ 441.126964][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.126964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.126964][ T10] ___sys_sendmsg+0xee/0x170 [ 441.126964][ T10] __sys_sendmsg+0xcd/0x170 [ 441.126964][ T10] do_syscall_64+0xc6/0x1e0 [ 441.126964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.126964][ T10] [ 441.129068][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 441.129068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.129068][ T10] ipv6_find_idev+0x102/0x170 [ 441.129068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.129068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.129068][ T10] netlink_rcv_skb+0x130/0x360 [ 441.129068][ T10] netlink_unicast+0x449/0x710 [ 441.129068][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.129068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.129068][ T10] ___sys_sendmsg+0xee/0x170 [ 441.129068][ T10] __sys_sendmsg+0xcd/0x170 [ 441.129068][ T10] do_syscall_64+0xc6/0x1e0 [ 441.129068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.129068][ T10] [ 441.130804][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 441.130804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.130804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.130804][ T10] ipv6_find_idev+0x102/0x170 [ 441.130804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.130804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.130804][ T10] netlink_rcv_skb+0x130/0x360 [ 441.130804][ T10] netlink_unicast+0x449/0x710 [ 441.130804][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.130804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.130804][ T10] ___sys_sendmsg+0xee/0x170 [ 441.130804][ T10] __sys_sendmsg+0xcd/0x170 [ 441.130804][ T10] do_syscall_64+0xc6/0x1e0 [ 441.130804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.130804][ T10] [ 441.132579][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 441.132912][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 441.132912][ T10] netdev_get_by_index+0x5e/0x80 [ 441.132912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.132912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.132912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.132912][ T10] ipv6_add_addr+0x411/0x2000 [ 441.132912][ T10] inet6_addr_add+0x30e/0xa40 [ 441.132912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.132912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.132912][ T10] netlink_rcv_skb+0x130/0x360 [ 441.132912][ T10] netlink_unicast+0x449/0x710 [ 441.132912][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.132912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.132912][ T10] ___sys_sendmsg+0xee/0x170 [ 441.132912][ T10] __sys_sendmsg+0xcd/0x170 [ 441.132912][ T10] do_syscall_64+0xc6/0x1e0 [ 441.132912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.132912][ T10] [ 441.134922][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 441.134922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.134922][ T10] ipv6_find_idev+0x102/0x170 [ 441.134922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.134922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.134922][ T10] netlink_rcv_skb+0x130/0x360 [ 441.134922][ T10] netlink_unicast+0x449/0x710 [ 441.134922][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.134922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.134922][ T10] ___sys_sendmsg+0xee/0x170 [ 441.134922][ T10] __sys_sendmsg+0xcd/0x170 [ 441.134922][ T10] do_syscall_64+0xc6/0x1e0 [ 441.134922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.134922][ T10] [ 441.136485][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 441.136485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.136485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.136485][ T10] ipv6_find_idev+0x102/0x170 [ 441.136485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.136485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.136485][ T10] netlink_rcv_skb+0x130/0x360 [ 441.136485][ T10] netlink_unicast+0x449/0x710 [ 441.136485][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.136485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.136485][ T10] ___sys_sendmsg+0xee/0x170 [ 441.136485][ T10] __sys_sendmsg+0xcd/0x170 [ 441.136485][ T10] do_syscall_64+0xc6/0x1e0 [ 441.136485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.136485][ T10] [ 441.138413][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 441.138745][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 441.138745][ T10] netdev_get_by_index+0x5e/0x80 [ 441.138745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.138745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.138745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.138745][ T10] ipv6_add_addr+0x411/0x2000 [ 441.138745][ T10] inet6_addr_add+0x30e/0xa40 [ 441.138745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.138745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.138745][ T10] netlink_rcv_skb+0x130/0x360 [ 441.138745][ T10] netlink_unicast+0x449/0x710 [ 441.138745][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.138745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.138745][ T10] ___sys_sendmsg+0xee/0x170 [ 441.138745][ T10] __sys_sendmsg+0xcd/0x170 [ 441.138745][ T10] do_syscall_64+0xc6/0x1e0 [ 441.138745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.138745][ T10] [ 441.140781][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 441.140781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.140781][ T10] ipv6_find_idev+0x102/0x170 [ 441.140781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.140781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.140781][ T10] netlink_rcv_skb+0x130/0x360 [ 441.140781][ T10] netlink_unicast+0x449/0x710 [ 441.140781][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.140781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.140781][ T10] ___sys_sendmsg+0xee/0x170 [ 441.140781][ T10] __sys_sendmsg+0xcd/0x170 [ 441.140781][ T10] do_syscall_64+0xc6/0x1e0 [ 441.140781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.140781][ T10] [ 441.142369][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 441.142369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.142369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.142369][ T10] ipv6_find_idev+0x102/0x170 [ 441.142369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.142369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.142369][ T10] netlink_rcv_skb+0x130/0x360 [ 441.142369][ T10] netlink_unicast+0x449/0x710 [ 441.142369][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.142369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.142369][ T10] ___sys_sendmsg+0xee/0x170 [ 441.142369][ T10] __sys_sendmsg+0xcd/0x170 [ 441.142369][ T10] do_syscall_64+0xc6/0x1e0 [ 441.142369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.142369][ T10] [ 441.144328][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 441.144654][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 441.144654][ T10] netdev_get_by_index+0x5e/0x80 [ 441.144654][ T10] fib6_nh_init+0x3d8/0x15b0 [ 441.144654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 441.144654][ T10] addrconf_f6i_alloc+0x244/0x410 [ 441.144654][ T10] ipv6_add_addr+0x411/0x2000 [ 441.144654][ T10] inet6_addr_add+0x30e/0xa40 [ 441.144654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 441.144654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.144654][ T10] netlink_rcv_skb+0x130/0x360 [ 441.144654][ T10] netlink_unicast+0x449/0x710 [ 441.144654][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.144654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.144654][ T10] ___sys_sendmsg+0xee/0x170 [ 441.144654][ T10] __sys_sendmsg+0xcd/0x170 [ 441.144654][ T10] do_syscall_64+0xc6/0x1e0 [ 441.144654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.144654][ T10] [ 441.146867][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 441.146867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 441.146867][ T10] ipv6_find_idev+0x102/0x170 [ 441.146867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.146867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.146867][ T10] netlink_rcv_skb+0x130/0x360 [ 441.146867][ T10] netlink_unicast+0x449/0x710 [ 441.146867][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.146867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.146867][ T10] ___sys_sendmsg+0xee/0x170 [ 441.146867][ T10] __sys_sendmsg+0xcd/0x170 [ 441.146867][ T10] do_syscall_64+0xc6/0x1e0 [ 441.146867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.146867][ T10] [ 441.148546][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 441.148546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 441.148546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 441.148546][ T10] ipv6_find_idev+0x102/0x170 [ 441.148546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 441.148546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 441.148546][ T10] netlink_rcv_skb+0x130/0x360 [ 441.148546][ T10] netlink_unicast+0x449/0x710 [ 441.148546][ T10] netlink_sendmsg+0x723/0xbe0 [ 441.148546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 441.148546][ T10] ___sys_sendmsg+0xee/0x170 [ 441.148546][ T10] __sys_sendmsg+0xcd/0x170 [ 441.148546][ T10] do_syscall_64+0xc6/0x1e0 [ 441.148546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 441.148546][ T10] [ 451.246796][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 451.247258][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 451.247258][ T10] netdev_get_by_index+0x5e/0x80 [ 451.247258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.247258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.247258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.247258][ T10] ipv6_add_addr+0x411/0x2000 [ 451.247258][ T10] inet6_addr_add+0x30e/0xa40 [ 451.247258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.247258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.247258][ T10] netlink_rcv_skb+0x130/0x360 [ 451.247258][ T10] netlink_unicast+0x449/0x710 [ 451.247258][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.247258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.247258][ T10] ___sys_sendmsg+0xee/0x170 [ 451.247258][ T10] __sys_sendmsg+0xcd/0x170 [ 451.247258][ T10] do_syscall_64+0xc6/0x1e0 [ 451.247258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.247258][ T10] [ 451.249340][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 451.249340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.249340][ T10] ipv6_find_idev+0x102/0x170 [ 451.249340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.249340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.249340][ T10] netlink_rcv_skb+0x130/0x360 [ 451.249340][ T10] netlink_unicast+0x449/0x710 [ 451.249340][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.249340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.249340][ T10] ___sys_sendmsg+0xee/0x170 [ 451.249340][ T10] __sys_sendmsg+0xcd/0x170 [ 451.249340][ T10] do_syscall_64+0xc6/0x1e0 [ 451.249340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.249340][ T10] [ 451.251050][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 451.251050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.251050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.251050][ T10] ipv6_find_idev+0x102/0x170 [ 451.251050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.251050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.251050][ T10] netlink_rcv_skb+0x130/0x360 [ 451.251050][ T10] netlink_unicast+0x449/0x710 [ 451.251050][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.251050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.251050][ T10] ___sys_sendmsg+0xee/0x170 [ 451.251050][ T10] __sys_sendmsg+0xcd/0x170 [ 451.251050][ T10] do_syscall_64+0xc6/0x1e0 [ 451.251050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.251050][ T10] [ 451.252803][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 451.253103][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 451.253103][ T10] netdev_get_by_index+0x5e/0x80 [ 451.253103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.253103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.253103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.253103][ T10] ipv6_add_addr+0x411/0x2000 [ 451.253103][ T10] inet6_addr_add+0x30e/0xa40 [ 451.253103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.253103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.253103][ T10] netlink_rcv_skb+0x130/0x360 [ 451.253103][ T10] netlink_unicast+0x449/0x710 [ 451.253103][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.253103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.253103][ T10] ___sys_sendmsg+0xee/0x170 [ 451.253103][ T10] __sys_sendmsg+0xcd/0x170 [ 451.253103][ T10] do_syscall_64+0xc6/0x1e0 [ 451.253103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.253103][ T10] [ 451.255130][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 451.255130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.255130][ T10] ipv6_find_idev+0x102/0x170 [ 451.255130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.255130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.255130][ T10] netlink_rcv_skb+0x130/0x360 [ 451.255130][ T10] netlink_unicast+0x449/0x710 [ 451.255130][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.255130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.255130][ T10] ___sys_sendmsg+0xee/0x170 [ 451.255130][ T10] __sys_sendmsg+0xcd/0x170 [ 451.255130][ T10] do_syscall_64+0xc6/0x1e0 [ 451.255130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.255130][ T10] [ 451.256710][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 451.256710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.256710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.256710][ T10] ipv6_find_idev+0x102/0x170 [ 451.256710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.256710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.256710][ T10] netlink_rcv_skb+0x130/0x360 [ 451.256710][ T10] netlink_unicast+0x449/0x710 [ 451.256710][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.256710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.256710][ T10] ___sys_sendmsg+0xee/0x170 [ 451.256710][ T10] __sys_sendmsg+0xcd/0x170 [ 451.256710][ T10] do_syscall_64+0xc6/0x1e0 [ 451.256710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.256710][ T10] [ 451.258469][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 451.258774][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 451.258774][ T10] netdev_get_by_index+0x5e/0x80 [ 451.258774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.258774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.258774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.258774][ T10] ipv6_add_addr+0x411/0x2000 [ 451.258774][ T10] inet6_addr_add+0x30e/0xa40 [ 451.258774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.258774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.258774][ T10] netlink_rcv_skb+0x130/0x360 [ 451.258774][ T10] netlink_unicast+0x449/0x710 [ 451.258774][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.258774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.258774][ T10] ___sys_sendmsg+0xee/0x170 [ 451.258774][ T10] __sys_sendmsg+0xcd/0x170 [ 451.258774][ T10] do_syscall_64+0xc6/0x1e0 [ 451.258774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.258774][ T10] [ 451.260933][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 451.260933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.260933][ T10] ipv6_find_idev+0x102/0x170 [ 451.260933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.260933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.260933][ T10] netlink_rcv_skb+0x130/0x360 [ 451.260933][ T10] netlink_unicast+0x449/0x710 [ 451.260933][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.260933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.260933][ T10] ___sys_sendmsg+0xee/0x170 [ 451.260933][ T10] __sys_sendmsg+0xcd/0x170 [ 451.260933][ T10] do_syscall_64+0xc6/0x1e0 [ 451.260933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.260933][ T10] [ 451.262526][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 451.262526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.262526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.262526][ T10] ipv6_find_idev+0x102/0x170 [ 451.262526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.262526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.262526][ T10] netlink_rcv_skb+0x130/0x360 [ 451.262526][ T10] netlink_unicast+0x449/0x710 [ 451.262526][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.262526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.262526][ T10] ___sys_sendmsg+0xee/0x170 [ 451.262526][ T10] __sys_sendmsg+0xcd/0x170 [ 451.262526][ T10] do_syscall_64+0xc6/0x1e0 [ 451.262526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.262526][ T10] [ 451.264241][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 451.264507][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 451.264507][ T10] netdev_get_by_index+0x5e/0x80 [ 451.264507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.264507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.264507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.264507][ T10] ipv6_add_addr+0x411/0x2000 [ 451.264507][ T10] inet6_addr_add+0x30e/0xa40 [ 451.264507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.264507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.264507][ T10] netlink_rcv_skb+0x130/0x360 [ 451.264507][ T10] netlink_unicast+0x449/0x710 [ 451.264507][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.264507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.264507][ T10] ___sys_sendmsg+0xee/0x170 [ 451.264507][ T10] __sys_sendmsg+0xcd/0x170 [ 451.264507][ T10] do_syscall_64+0xc6/0x1e0 [ 451.264507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.264507][ T10] [ 451.266542][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 451.266542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.266542][ T10] ipv6_find_idev+0x102/0x170 [ 451.266542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.266542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.266542][ T10] netlink_rcv_skb+0x130/0x360 [ 451.266542][ T10] netlink_unicast+0x449/0x710 [ 451.266542][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.266542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.266542][ T10] ___sys_sendmsg+0xee/0x170 [ 451.266542][ T10] __sys_sendmsg+0xcd/0x170 [ 451.266542][ T10] do_syscall_64+0xc6/0x1e0 [ 451.266542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.266542][ T10] [ 451.268098][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 451.268098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.268098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.268098][ T10] ipv6_find_idev+0x102/0x170 [ 451.268098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.268098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.268098][ T10] netlink_rcv_skb+0x130/0x360 [ 451.268098][ T10] netlink_unicast+0x449/0x710 [ 451.268098][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.268098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.268098][ T10] ___sys_sendmsg+0xee/0x170 [ 451.268098][ T10] __sys_sendmsg+0xcd/0x170 [ 451.268098][ T10] do_syscall_64+0xc6/0x1e0 [ 451.268098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.268098][ T10] [ 451.270234][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 451.270507][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 451.270507][ T10] netdev_get_by_index+0x5e/0x80 [ 451.270507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.270507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.270507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.270507][ T10] ipv6_add_addr+0x411/0x2000 [ 451.270507][ T10] inet6_addr_add+0x30e/0xa40 [ 451.270507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.270507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.270507][ T10] netlink_rcv_skb+0x130/0x360 [ 451.270507][ T10] netlink_unicast+0x449/0x710 [ 451.270507][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.270507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.270507][ T10] ___sys_sendmsg+0xee/0x170 [ 451.270507][ T10] __sys_sendmsg+0xcd/0x170 [ 451.270507][ T10] do_syscall_64+0xc6/0x1e0 [ 451.270507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.270507][ T10] [ 451.272504][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 451.272504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.272504][ T10] ipv6_find_idev+0x102/0x170 [ 451.272504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.272504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.272504][ T10] netlink_rcv_skb+0x130/0x360 [ 451.272504][ T10] netlink_unicast+0x449/0x710 [ 451.272504][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.272504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.272504][ T10] ___sys_sendmsg+0xee/0x170 [ 451.272504][ T10] __sys_sendmsg+0xcd/0x170 [ 451.272504][ T10] do_syscall_64+0xc6/0x1e0 [ 451.272504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.272504][ T10] [ 451.274063][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 451.274063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.274063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.274063][ T10] ipv6_find_idev+0x102/0x170 [ 451.274063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.274063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.274063][ T10] netlink_rcv_skb+0x130/0x360 [ 451.274063][ T10] netlink_unicast+0x449/0x710 [ 451.274063][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.274063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.274063][ T10] ___sys_sendmsg+0xee/0x170 [ 451.274063][ T10] __sys_sendmsg+0xcd/0x170 [ 451.274063][ T10] do_syscall_64+0xc6/0x1e0 [ 451.274063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.274063][ T10] [ 451.275822][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 451.276106][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 451.276106][ T10] netdev_get_by_index+0x5e/0x80 [ 451.276106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.276106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.276106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.276106][ T10] ipv6_add_addr+0x411/0x2000 [ 451.276106][ T10] inet6_addr_add+0x30e/0xa40 [ 451.276106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.276106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.276106][ T10] netlink_rcv_skb+0x130/0x360 [ 451.276106][ T10] netlink_unicast+0x449/0x710 [ 451.276106][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.276106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.276106][ T10] ___sys_sendmsg+0xee/0x170 [ 451.276106][ T10] __sys_sendmsg+0xcd/0x170 [ 451.276106][ T10] do_syscall_64+0xc6/0x1e0 [ 451.276106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.276106][ T10] [ 451.278246][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 451.278246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.278246][ T10] ipv6_find_idev+0x102/0x170 [ 451.278246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.278246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.278246][ T10] netlink_rcv_skb+0x130/0x360 [ 451.278246][ T10] netlink_unicast+0x449/0x710 [ 451.278246][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.278246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.278246][ T10] ___sys_sendmsg+0xee/0x170 [ 451.278246][ T10] __sys_sendmsg+0xcd/0x170 [ 451.278246][ T10] do_syscall_64+0xc6/0x1e0 [ 451.278246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.278246][ T10] [ 451.280044][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 451.280044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.280044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.280044][ T10] ipv6_find_idev+0x102/0x170 [ 451.280044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.280044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.280044][ T10] netlink_rcv_skb+0x130/0x360 [ 451.280044][ T10] netlink_unicast+0x449/0x710 [ 451.280044][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.280044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.280044][ T10] ___sys_sendmsg+0xee/0x170 [ 451.280044][ T10] __sys_sendmsg+0xcd/0x170 [ 451.280044][ T10] do_syscall_64+0xc6/0x1e0 [ 451.280044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.280044][ T10] [ 451.282037][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 451.282308][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 451.282308][ T10] netdev_get_by_index+0x5e/0x80 [ 451.282308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.282308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.282308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.282308][ T10] ipv6_add_addr+0x411/0x2000 [ 451.282308][ T10] inet6_addr_add+0x30e/0xa40 [ 451.282308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.282308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.282308][ T10] netlink_rcv_skb+0x130/0x360 [ 451.282308][ T10] netlink_unicast+0x449/0x710 [ 451.282308][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.282308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.282308][ T10] ___sys_sendmsg+0xee/0x170 [ 451.282308][ T10] __sys_sendmsg+0xcd/0x170 [ 451.282308][ T10] do_syscall_64+0xc6/0x1e0 [ 451.282308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.282308][ T10] [ 451.284508][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 451.284508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.284508][ T10] ipv6_find_idev+0x102/0x170 [ 451.284508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.284508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.284508][ T10] netlink_rcv_skb+0x130/0x360 [ 451.284508][ T10] netlink_unicast+0x449/0x710 [ 451.284508][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.284508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.284508][ T10] ___sys_sendmsg+0xee/0x170 [ 451.284508][ T10] __sys_sendmsg+0xcd/0x170 [ 451.284508][ T10] do_syscall_64+0xc6/0x1e0 [ 451.284508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.284508][ T10] [ 451.286273][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 451.286273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.286273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.286273][ T10] ipv6_find_idev+0x102/0x170 [ 451.286273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.286273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.286273][ T10] netlink_rcv_skb+0x130/0x360 [ 451.286273][ T10] netlink_unicast+0x449/0x710 [ 451.286273][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.286273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.286273][ T10] ___sys_sendmsg+0xee/0x170 [ 451.286273][ T10] __sys_sendmsg+0xcd/0x170 [ 451.286273][ T10] do_syscall_64+0xc6/0x1e0 [ 451.286273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.286273][ T10] [ 451.288216][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 451.288498][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 451.288498][ T10] netdev_get_by_index+0x5e/0x80 [ 451.288498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 451.288498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 451.288498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 451.288498][ T10] ipv6_add_addr+0x411/0x2000 [ 451.288498][ T10] inet6_addr_add+0x30e/0xa40 [ 451.288498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 451.288498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.288498][ T10] netlink_rcv_skb+0x130/0x360 [ 451.288498][ T10] netlink_unicast+0x449/0x710 [ 451.288498][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.288498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.288498][ T10] ___sys_sendmsg+0xee/0x170 [ 451.288498][ T10] __sys_sendmsg+0xcd/0x170 [ 451.288498][ T10] do_syscall_64+0xc6/0x1e0 [ 451.288498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.288498][ T10] [ 451.290815][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 451.290815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 451.290815][ T10] ipv6_find_idev+0x102/0x170 [ 451.290815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.290815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.290815][ T10] netlink_rcv_skb+0x130/0x360 [ 451.290815][ T10] netlink_unicast+0x449/0x710 [ 451.290815][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.290815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.290815][ T10] ___sys_sendmsg+0xee/0x170 [ 451.290815][ T10] __sys_sendmsg+0xcd/0x170 [ 451.290815][ T10] do_syscall_64+0xc6/0x1e0 [ 451.290815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.290815][ T10] [ 451.292558][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 451.292558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 451.292558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 451.292558][ T10] ipv6_find_idev+0x102/0x170 [ 451.292558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 451.292558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 451.292558][ T10] netlink_rcv_skb+0x130/0x360 [ 451.292558][ T10] netlink_unicast+0x449/0x710 [ 451.292558][ T10] netlink_sendmsg+0x723/0xbe0 [ 451.292558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 451.292558][ T10] ___sys_sendmsg+0xee/0x170 [ 451.292558][ T10] __sys_sendmsg+0xcd/0x170 [ 451.292558][ T10] do_syscall_64+0xc6/0x1e0 [ 451.292558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 451.292558][ T10] [ 461.534769][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 461.535380][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 461.535380][ T10] netdev_get_by_index+0x5e/0x80 [ 461.535380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.535380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.535380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.535380][ T10] ipv6_add_addr+0x411/0x2000 [ 461.535380][ T10] inet6_addr_add+0x30e/0xa40 [ 461.535380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.535380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.535380][ T10] netlink_rcv_skb+0x130/0x360 [ 461.535380][ T10] netlink_unicast+0x449/0x710 [ 461.535380][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.535380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.535380][ T10] ___sys_sendmsg+0xee/0x170 [ 461.535380][ T10] __sys_sendmsg+0xcd/0x170 [ 461.535380][ T10] do_syscall_64+0xc6/0x1e0 [ 461.535380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.535380][ T10] [ 461.538559][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 461.538559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.538559][ T10] ipv6_find_idev+0x102/0x170 [ 461.538559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.538559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.538559][ T10] netlink_rcv_skb+0x130/0x360 [ 461.538559][ T10] netlink_unicast+0x449/0x710 [ 461.538559][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.538559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.538559][ T10] ___sys_sendmsg+0xee/0x170 [ 461.538559][ T10] __sys_sendmsg+0xcd/0x170 [ 461.538559][ T10] do_syscall_64+0xc6/0x1e0 [ 461.538559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.538559][ T10] [ 461.541049][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 461.541049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.541049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.541049][ T10] ipv6_find_idev+0x102/0x170 [ 461.541049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.541049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.541049][ T10] netlink_rcv_skb+0x130/0x360 [ 461.541049][ T10] netlink_unicast+0x449/0x710 [ 461.541049][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.541049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.541049][ T10] ___sys_sendmsg+0xee/0x170 [ 461.541049][ T10] __sys_sendmsg+0xcd/0x170 [ 461.541049][ T10] do_syscall_64+0xc6/0x1e0 [ 461.541049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.541049][ T10] [ 461.543734][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 461.544150][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 461.544150][ T10] netdev_get_by_index+0x5e/0x80 [ 461.544150][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.544150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.544150][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.544150][ T10] ipv6_add_addr+0x411/0x2000 [ 461.544150][ T10] inet6_addr_add+0x30e/0xa40 [ 461.544150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.544150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.544150][ T10] netlink_rcv_skb+0x130/0x360 [ 461.544150][ T10] netlink_unicast+0x449/0x710 [ 461.544150][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.544150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.544150][ T10] ___sys_sendmsg+0xee/0x170 [ 461.544150][ T10] __sys_sendmsg+0xcd/0x170 [ 461.544150][ T10] do_syscall_64+0xc6/0x1e0 [ 461.544150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.544150][ T10] [ 461.547302][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 461.547302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.547302][ T10] ipv6_find_idev+0x102/0x170 [ 461.547302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.547302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.547302][ T10] netlink_rcv_skb+0x130/0x360 [ 461.547302][ T10] netlink_unicast+0x449/0x710 [ 461.547302][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.547302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.547302][ T10] ___sys_sendmsg+0xee/0x170 [ 461.547302][ T10] __sys_sendmsg+0xcd/0x170 [ 461.547302][ T10] do_syscall_64+0xc6/0x1e0 [ 461.547302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.547302][ T10] [ 461.549742][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 461.549742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.549742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.549742][ T10] ipv6_find_idev+0x102/0x170 [ 461.549742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.549742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.549742][ T10] netlink_rcv_skb+0x130/0x360 [ 461.549742][ T10] netlink_unicast+0x449/0x710 [ 461.549742][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.549742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.549742][ T10] ___sys_sendmsg+0xee/0x170 [ 461.549742][ T10] __sys_sendmsg+0xcd/0x170 [ 461.549742][ T10] do_syscall_64+0xc6/0x1e0 [ 461.549742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.549742][ T10] [ 461.552395][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 461.552833][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 461.552833][ T10] netdev_get_by_index+0x5e/0x80 [ 461.552833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.552833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.552833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.552833][ T10] ipv6_add_addr+0x411/0x2000 [ 461.552833][ T10] inet6_addr_add+0x30e/0xa40 [ 461.552833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.552833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.552833][ T10] netlink_rcv_skb+0x130/0x360 [ 461.552833][ T10] netlink_unicast+0x449/0x710 [ 461.552833][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.552833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.552833][ T10] ___sys_sendmsg+0xee/0x170 [ 461.552833][ T10] __sys_sendmsg+0xcd/0x170 [ 461.552833][ T10] do_syscall_64+0xc6/0x1e0 [ 461.552833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.552833][ T10] [ 461.555991][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 461.555991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.555991][ T10] ipv6_find_idev+0x102/0x170 [ 461.555991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.555991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.555991][ T10] netlink_rcv_skb+0x130/0x360 [ 461.555991][ T10] netlink_unicast+0x449/0x710 [ 461.555991][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.555991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.555991][ T10] ___sys_sendmsg+0xee/0x170 [ 461.555991][ T10] __sys_sendmsg+0xcd/0x170 [ 461.555991][ T10] do_syscall_64+0xc6/0x1e0 [ 461.555991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.555991][ T10] [ 461.558419][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 461.558419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.558419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.558419][ T10] ipv6_find_idev+0x102/0x170 [ 461.558419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.558419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.558419][ T10] netlink_rcv_skb+0x130/0x360 [ 461.558419][ T10] netlink_unicast+0x449/0x710 [ 461.558419][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.558419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.558419][ T10] ___sys_sendmsg+0xee/0x170 [ 461.558419][ T10] __sys_sendmsg+0xcd/0x170 [ 461.558419][ T10] do_syscall_64+0xc6/0x1e0 [ 461.558419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.558419][ T10] [ 461.561064][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 461.561490][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 461.561490][ T10] netdev_get_by_index+0x5e/0x80 [ 461.561490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.561490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.561490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.561490][ T10] ipv6_add_addr+0x411/0x2000 [ 461.561490][ T10] inet6_addr_add+0x30e/0xa40 [ 461.561490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.561490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.561490][ T10] netlink_rcv_skb+0x130/0x360 [ 461.561490][ T10] netlink_unicast+0x449/0x710 [ 461.561490][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.561490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.561490][ T10] ___sys_sendmsg+0xee/0x170 [ 461.561490][ T10] __sys_sendmsg+0xcd/0x170 [ 461.561490][ T10] do_syscall_64+0xc6/0x1e0 [ 461.561490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.561490][ T10] [ 461.564639][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 461.564639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.564639][ T10] ipv6_find_idev+0x102/0x170 [ 461.564639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.564639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.564639][ T10] netlink_rcv_skb+0x130/0x360 [ 461.564639][ T10] netlink_unicast+0x449/0x710 [ 461.564639][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.564639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.564639][ T10] ___sys_sendmsg+0xee/0x170 [ 461.564639][ T10] __sys_sendmsg+0xcd/0x170 [ 461.564639][ T10] do_syscall_64+0xc6/0x1e0 [ 461.564639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.564639][ T10] [ 461.567060][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 461.567060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.567060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.567060][ T10] ipv6_find_idev+0x102/0x170 [ 461.567060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.567060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.567060][ T10] netlink_rcv_skb+0x130/0x360 [ 461.567060][ T10] netlink_unicast+0x449/0x710 [ 461.567060][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.567060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.567060][ T10] ___sys_sendmsg+0xee/0x170 [ 461.567060][ T10] __sys_sendmsg+0xcd/0x170 [ 461.567060][ T10] do_syscall_64+0xc6/0x1e0 [ 461.567060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.567060][ T10] [ 461.570501][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 461.571569][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 461.571569][ T10] netdev_get_by_index+0x5e/0x80 [ 461.571569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.571569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.571569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.571569][ T10] ipv6_add_addr+0x411/0x2000 [ 461.571569][ T10] inet6_addr_add+0x30e/0xa40 [ 461.571569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.571569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.571569][ T10] netlink_rcv_skb+0x130/0x360 [ 461.571569][ T10] netlink_unicast+0x449/0x710 [ 461.571569][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.571569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.571569][ T10] ___sys_sendmsg+0xee/0x170 [ 461.571569][ T10] __sys_sendmsg+0xcd/0x170 [ 461.571569][ T10] do_syscall_64+0xc6/0x1e0 [ 461.571569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.571569][ T10] [ 461.574690][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 461.574690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.574690][ T10] ipv6_find_idev+0x102/0x170 [ 461.574690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.574690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.574690][ T10] netlink_rcv_skb+0x130/0x360 [ 461.574690][ T10] netlink_unicast+0x449/0x710 [ 461.574690][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.574690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.574690][ T10] ___sys_sendmsg+0xee/0x170 [ 461.574690][ T10] __sys_sendmsg+0xcd/0x170 [ 461.574690][ T10] do_syscall_64+0xc6/0x1e0 [ 461.574690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.574690][ T10] [ 461.577105][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 461.577105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.577105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.577105][ T10] ipv6_find_idev+0x102/0x170 [ 461.577105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.577105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.577105][ T10] netlink_rcv_skb+0x130/0x360 [ 461.577105][ T10] netlink_unicast+0x449/0x710 [ 461.577105][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.577105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.577105][ T10] ___sys_sendmsg+0xee/0x170 [ 461.577105][ T10] __sys_sendmsg+0xcd/0x170 [ 461.577105][ T10] do_syscall_64+0xc6/0x1e0 [ 461.577105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.577105][ T10] [ 461.579760][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 461.580174][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 461.580174][ T10] netdev_get_by_index+0x5e/0x80 [ 461.580174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.580174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.580174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.580174][ T10] ipv6_add_addr+0x411/0x2000 [ 461.580174][ T10] inet6_addr_add+0x30e/0xa40 [ 461.580174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.580174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.580174][ T10] netlink_rcv_skb+0x130/0x360 [ 461.580174][ T10] netlink_unicast+0x449/0x710 [ 461.580174][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.580174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.580174][ T10] ___sys_sendmsg+0xee/0x170 [ 461.580174][ T10] __sys_sendmsg+0xcd/0x170 [ 461.580174][ T10] do_syscall_64+0xc6/0x1e0 [ 461.580174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.580174][ T10] [ 461.583321][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 461.583321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.583321][ T10] ipv6_find_idev+0x102/0x170 [ 461.583321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.583321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.583321][ T10] netlink_rcv_skb+0x130/0x360 [ 461.583321][ T10] netlink_unicast+0x449/0x710 [ 461.583321][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.583321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.583321][ T10] ___sys_sendmsg+0xee/0x170 [ 461.583321][ T10] __sys_sendmsg+0xcd/0x170 [ 461.583321][ T10] do_syscall_64+0xc6/0x1e0 [ 461.583321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.583321][ T10] [ 461.585863][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 461.585863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.585863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.585863][ T10] ipv6_find_idev+0x102/0x170 [ 461.585863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.585863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.585863][ T10] netlink_rcv_skb+0x130/0x360 [ 461.585863][ T10] netlink_unicast+0x449/0x710 [ 461.585863][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.585863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.585863][ T10] ___sys_sendmsg+0xee/0x170 [ 461.585863][ T10] __sys_sendmsg+0xcd/0x170 [ 461.585863][ T10] do_syscall_64+0xc6/0x1e0 [ 461.585863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.585863][ T10] [ 461.589125][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 461.589539][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 461.589539][ T10] netdev_get_by_index+0x5e/0x80 [ 461.589539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.589539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.589539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.589539][ T10] ipv6_add_addr+0x411/0x2000 [ 461.589539][ T10] inet6_addr_add+0x30e/0xa40 [ 461.589539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.589539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.589539][ T10] netlink_rcv_skb+0x130/0x360 [ 461.589539][ T10] netlink_unicast+0x449/0x710 [ 461.589539][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.589539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.589539][ T10] ___sys_sendmsg+0xee/0x170 [ 461.589539][ T10] __sys_sendmsg+0xcd/0x170 [ 461.589539][ T10] do_syscall_64+0xc6/0x1e0 [ 461.589539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.589539][ T10] [ 461.592997][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 461.592997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.592997][ T10] ipv6_find_idev+0x102/0x170 [ 461.592997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.592997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.592997][ T10] netlink_rcv_skb+0x130/0x360 [ 461.592997][ T10] netlink_unicast+0x449/0x710 [ 461.592997][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.592997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.592997][ T10] ___sys_sendmsg+0xee/0x170 [ 461.592997][ T10] __sys_sendmsg+0xcd/0x170 [ 461.592997][ T10] do_syscall_64+0xc6/0x1e0 [ 461.592997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.592997][ T10] [ 461.595742][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 461.595742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.595742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.595742][ T10] ipv6_find_idev+0x102/0x170 [ 461.595742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.595742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.595742][ T10] netlink_rcv_skb+0x130/0x360 [ 461.595742][ T10] netlink_unicast+0x449/0x710 [ 461.595742][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.595742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.595742][ T10] ___sys_sendmsg+0xee/0x170 [ 461.595742][ T10] __sys_sendmsg+0xcd/0x170 [ 461.595742][ T10] do_syscall_64+0xc6/0x1e0 [ 461.595742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.595742][ T10] [ 461.598790][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 461.599208][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 461.599208][ T10] netdev_get_by_index+0x5e/0x80 [ 461.599208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 461.599208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 461.599208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 461.599208][ T10] ipv6_add_addr+0x411/0x2000 [ 461.599208][ T10] inet6_addr_add+0x30e/0xa40 [ 461.599208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 461.599208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.599208][ T10] netlink_rcv_skb+0x130/0x360 [ 461.599208][ T10] netlink_unicast+0x449/0x710 [ 461.599208][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.599208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.599208][ T10] ___sys_sendmsg+0xee/0x170 [ 461.599208][ T10] __sys_sendmsg+0xcd/0x170 [ 461.599208][ T10] do_syscall_64+0xc6/0x1e0 [ 461.599208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.599208][ T10] [ 461.602787][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 461.602787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 461.602787][ T10] ipv6_find_idev+0x102/0x170 [ 461.602787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.602787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.602787][ T10] netlink_rcv_skb+0x130/0x360 [ 461.602787][ T10] netlink_unicast+0x449/0x710 [ 461.602787][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.602787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.602787][ T10] ___sys_sendmsg+0xee/0x170 [ 461.602787][ T10] __sys_sendmsg+0xcd/0x170 [ 461.602787][ T10] do_syscall_64+0xc6/0x1e0 [ 461.602787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.602787][ T10] [ 461.605663][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 461.605663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 461.605663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 461.605663][ T10] ipv6_find_idev+0x102/0x170 [ 461.605663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 461.605663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 461.605663][ T10] netlink_rcv_skb+0x130/0x360 [ 461.605663][ T10] netlink_unicast+0x449/0x710 [ 461.605663][ T10] netlink_sendmsg+0x723/0xbe0 [ 461.605663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 461.605663][ T10] ___sys_sendmsg+0xee/0x170 [ 461.605663][ T10] __sys_sendmsg+0xcd/0x170 [ 461.605663][ T10] do_syscall_64+0xc6/0x1e0 [ 461.605663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 461.605663][ T10] [ 471.670850][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 471.671370][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 471.671370][ T10] netdev_get_by_index+0x5e/0x80 [ 471.671370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.671370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.671370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.671370][ T10] ipv6_add_addr+0x411/0x2000 [ 471.671370][ T10] inet6_addr_add+0x30e/0xa40 [ 471.671370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.671370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.671370][ T10] netlink_rcv_skb+0x130/0x360 [ 471.671370][ T10] netlink_unicast+0x449/0x710 [ 471.671370][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.671370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.671370][ T10] ___sys_sendmsg+0xee/0x170 [ 471.671370][ T10] __sys_sendmsg+0xcd/0x170 [ 471.671370][ T10] do_syscall_64+0xc6/0x1e0 [ 471.671370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.671370][ T10] [ 471.673486][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 471.673486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.673486][ T10] ipv6_find_idev+0x102/0x170 [ 471.673486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.673486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.673486][ T10] netlink_rcv_skb+0x130/0x360 [ 471.673486][ T10] netlink_unicast+0x449/0x710 [ 471.673486][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.673486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.673486][ T10] ___sys_sendmsg+0xee/0x170 [ 471.673486][ T10] __sys_sendmsg+0xcd/0x170 [ 471.673486][ T10] do_syscall_64+0xc6/0x1e0 [ 471.673486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.673486][ T10] [ 471.675055][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 471.675055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.675055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.675055][ T10] ipv6_find_idev+0x102/0x170 [ 471.675055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.675055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.675055][ T10] netlink_rcv_skb+0x130/0x360 [ 471.675055][ T10] netlink_unicast+0x449/0x710 [ 471.675055][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.675055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.675055][ T10] ___sys_sendmsg+0xee/0x170 [ 471.675055][ T10] __sys_sendmsg+0xcd/0x170 [ 471.675055][ T10] do_syscall_64+0xc6/0x1e0 [ 471.675055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.675055][ T10] [ 471.676797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 471.677077][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 471.677077][ T10] netdev_get_by_index+0x5e/0x80 [ 471.677077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.677077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.677077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.677077][ T10] ipv6_add_addr+0x411/0x2000 [ 471.677077][ T10] inet6_addr_add+0x30e/0xa40 [ 471.677077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.677077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.677077][ T10] netlink_rcv_skb+0x130/0x360 [ 471.677077][ T10] netlink_unicast+0x449/0x710 [ 471.677077][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.677077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.677077][ T10] ___sys_sendmsg+0xee/0x170 [ 471.677077][ T10] __sys_sendmsg+0xcd/0x170 [ 471.677077][ T10] do_syscall_64+0xc6/0x1e0 [ 471.677077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.677077][ T10] [ 471.679088][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 471.679088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.679088][ T10] ipv6_find_idev+0x102/0x170 [ 471.679088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.679088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.679088][ T10] netlink_rcv_skb+0x130/0x360 [ 471.679088][ T10] netlink_unicast+0x449/0x710 [ 471.679088][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.679088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.679088][ T10] ___sys_sendmsg+0xee/0x170 [ 471.679088][ T10] __sys_sendmsg+0xcd/0x170 [ 471.679088][ T10] do_syscall_64+0xc6/0x1e0 [ 471.679088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.679088][ T10] [ 471.680647][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 471.680647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.680647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.680647][ T10] ipv6_find_idev+0x102/0x170 [ 471.680647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.680647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.680647][ T10] netlink_rcv_skb+0x130/0x360 [ 471.680647][ T10] netlink_unicast+0x449/0x710 [ 471.680647][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.680647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.680647][ T10] ___sys_sendmsg+0xee/0x170 [ 471.680647][ T10] __sys_sendmsg+0xcd/0x170 [ 471.680647][ T10] do_syscall_64+0xc6/0x1e0 [ 471.680647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.680647][ T10] [ 471.682357][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 471.682630][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 471.682630][ T10] netdev_get_by_index+0x5e/0x80 [ 471.682630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.682630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.682630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.682630][ T10] ipv6_add_addr+0x411/0x2000 [ 471.682630][ T10] inet6_addr_add+0x30e/0xa40 [ 471.682630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.682630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.682630][ T10] netlink_rcv_skb+0x130/0x360 [ 471.682630][ T10] netlink_unicast+0x449/0x710 [ 471.682630][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.682630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.682630][ T10] ___sys_sendmsg+0xee/0x170 [ 471.682630][ T10] __sys_sendmsg+0xcd/0x170 [ 471.682630][ T10] do_syscall_64+0xc6/0x1e0 [ 471.682630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.682630][ T10] [ 471.684628][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 471.684628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.684628][ T10] ipv6_find_idev+0x102/0x170 [ 471.684628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.684628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.684628][ T10] netlink_rcv_skb+0x130/0x360 [ 471.684628][ T10] netlink_unicast+0x449/0x710 [ 471.684628][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.684628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.684628][ T10] ___sys_sendmsg+0xee/0x170 [ 471.684628][ T10] __sys_sendmsg+0xcd/0x170 [ 471.684628][ T10] do_syscall_64+0xc6/0x1e0 [ 471.684628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.684628][ T10] [ 471.686165][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 471.686165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.686165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.686165][ T10] ipv6_find_idev+0x102/0x170 [ 471.686165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.686165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.686165][ T10] netlink_rcv_skb+0x130/0x360 [ 471.686165][ T10] netlink_unicast+0x449/0x710 [ 471.686165][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.686165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.686165][ T10] ___sys_sendmsg+0xee/0x170 [ 471.686165][ T10] __sys_sendmsg+0xcd/0x170 [ 471.686165][ T10] do_syscall_64+0xc6/0x1e0 [ 471.686165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.686165][ T10] [ 471.687849][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 471.688113][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 471.688113][ T10] netdev_get_by_index+0x5e/0x80 [ 471.688113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.688113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.688113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.688113][ T10] ipv6_add_addr+0x411/0x2000 [ 471.688113][ T10] inet6_addr_add+0x30e/0xa40 [ 471.688113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.688113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.688113][ T10] netlink_rcv_skb+0x130/0x360 [ 471.688113][ T10] netlink_unicast+0x449/0x710 [ 471.688113][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.688113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.688113][ T10] ___sys_sendmsg+0xee/0x170 [ 471.688113][ T10] __sys_sendmsg+0xcd/0x170 [ 471.688113][ T10] do_syscall_64+0xc6/0x1e0 [ 471.688113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.688113][ T10] [ 471.690110][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 471.690110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.690110][ T10] ipv6_find_idev+0x102/0x170 [ 471.690110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.690110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.690110][ T10] netlink_rcv_skb+0x130/0x360 [ 471.690110][ T10] netlink_unicast+0x449/0x710 [ 471.690110][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.690110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.690110][ T10] ___sys_sendmsg+0xee/0x170 [ 471.690110][ T10] __sys_sendmsg+0xcd/0x170 [ 471.690110][ T10] do_syscall_64+0xc6/0x1e0 [ 471.690110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.690110][ T10] [ 471.691640][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 471.691640][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.691640][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.691640][ T10] ipv6_find_idev+0x102/0x170 [ 471.691640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.691640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.691640][ T10] netlink_rcv_skb+0x130/0x360 [ 471.691640][ T10] netlink_unicast+0x449/0x710 [ 471.691640][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.691640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.691640][ T10] ___sys_sendmsg+0xee/0x170 [ 471.691640][ T10] __sys_sendmsg+0xcd/0x170 [ 471.691640][ T10] do_syscall_64+0xc6/0x1e0 [ 471.691640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.691640][ T10] [ 471.693388][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 471.693655][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 471.693655][ T10] netdev_get_by_index+0x5e/0x80 [ 471.693655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.693655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.693655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.693655][ T10] ipv6_add_addr+0x411/0x2000 [ 471.693655][ T10] inet6_addr_add+0x30e/0xa40 [ 471.693655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.693655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.693655][ T10] netlink_rcv_skb+0x130/0x360 [ 471.693655][ T10] netlink_unicast+0x449/0x710 [ 471.693655][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.693655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.693655][ T10] ___sys_sendmsg+0xee/0x170 [ 471.693655][ T10] __sys_sendmsg+0xcd/0x170 [ 471.693655][ T10] do_syscall_64+0xc6/0x1e0 [ 471.693655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.693655][ T10] [ 471.695651][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 471.695651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.695651][ T10] ipv6_find_idev+0x102/0x170 [ 471.695651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.695651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.695651][ T10] netlink_rcv_skb+0x130/0x360 [ 471.695651][ T10] netlink_unicast+0x449/0x710 [ 471.695651][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.695651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.695651][ T10] ___sys_sendmsg+0xee/0x170 [ 471.695651][ T10] __sys_sendmsg+0xcd/0x170 [ 471.695651][ T10] do_syscall_64+0xc6/0x1e0 [ 471.695651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.695651][ T10] [ 471.697252][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 471.697252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.697252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.697252][ T10] ipv6_find_idev+0x102/0x170 [ 471.697252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.697252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.697252][ T10] netlink_rcv_skb+0x130/0x360 [ 471.697252][ T10] netlink_unicast+0x449/0x710 [ 471.697252][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.697252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.697252][ T10] ___sys_sendmsg+0xee/0x170 [ 471.697252][ T10] __sys_sendmsg+0xcd/0x170 [ 471.697252][ T10] do_syscall_64+0xc6/0x1e0 [ 471.697252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.697252][ T10] [ 471.699090][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 471.699361][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 471.699361][ T10] netdev_get_by_index+0x5e/0x80 [ 471.699361][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.699361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.699361][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.699361][ T10] ipv6_add_addr+0x411/0x2000 [ 471.699361][ T10] inet6_addr_add+0x30e/0xa40 [ 471.699361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.699361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.699361][ T10] netlink_rcv_skb+0x130/0x360 [ 471.699361][ T10] netlink_unicast+0x449/0x710 [ 471.699361][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.699361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.699361][ T10] ___sys_sendmsg+0xee/0x170 [ 471.699361][ T10] __sys_sendmsg+0xcd/0x170 [ 471.699361][ T10] do_syscall_64+0xc6/0x1e0 [ 471.699361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.699361][ T10] [ 471.701472][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 471.701472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.701472][ T10] ipv6_find_idev+0x102/0x170 [ 471.701472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.701472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.701472][ T10] netlink_rcv_skb+0x130/0x360 [ 471.701472][ T10] netlink_unicast+0x449/0x710 [ 471.701472][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.701472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.701472][ T10] ___sys_sendmsg+0xee/0x170 [ 471.701472][ T10] __sys_sendmsg+0xcd/0x170 [ 471.701472][ T10] do_syscall_64+0xc6/0x1e0 [ 471.701472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.701472][ T10] [ 471.703057][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 471.703057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.703057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.703057][ T10] ipv6_find_idev+0x102/0x170 [ 471.703057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.703057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.703057][ T10] netlink_rcv_skb+0x130/0x360 [ 471.703057][ T10] netlink_unicast+0x449/0x710 [ 471.703057][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.703057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.703057][ T10] ___sys_sendmsg+0xee/0x170 [ 471.703057][ T10] __sys_sendmsg+0xcd/0x170 [ 471.703057][ T10] do_syscall_64+0xc6/0x1e0 [ 471.703057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.703057][ T10] [ 471.704890][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 471.705159][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 471.705159][ T10] netdev_get_by_index+0x5e/0x80 [ 471.705159][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.705159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.705159][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.705159][ T10] ipv6_add_addr+0x411/0x2000 [ 471.705159][ T10] inet6_addr_add+0x30e/0xa40 [ 471.705159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.705159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.705159][ T10] netlink_rcv_skb+0x130/0x360 [ 471.705159][ T10] netlink_unicast+0x449/0x710 [ 471.705159][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.705159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.705159][ T10] ___sys_sendmsg+0xee/0x170 [ 471.705159][ T10] __sys_sendmsg+0xcd/0x170 [ 471.705159][ T10] do_syscall_64+0xc6/0x1e0 [ 471.705159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.705159][ T10] [ 471.707295][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 471.707295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.707295][ T10] ipv6_find_idev+0x102/0x170 [ 471.707295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.707295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.707295][ T10] netlink_rcv_skb+0x130/0x360 [ 471.707295][ T10] netlink_unicast+0x449/0x710 [ 471.707295][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.707295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.707295][ T10] ___sys_sendmsg+0xee/0x170 [ 471.707295][ T10] __sys_sendmsg+0xcd/0x170 [ 471.707295][ T10] do_syscall_64+0xc6/0x1e0 [ 471.707295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.707295][ T10] [ 471.708965][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 471.708965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.708965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.708965][ T10] ipv6_find_idev+0x102/0x170 [ 471.708965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.708965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.708965][ T10] netlink_rcv_skb+0x130/0x360 [ 471.708965][ T10] netlink_unicast+0x449/0x710 [ 471.708965][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.708965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.708965][ T10] ___sys_sendmsg+0xee/0x170 [ 471.708965][ T10] __sys_sendmsg+0xcd/0x170 [ 471.708965][ T10] do_syscall_64+0xc6/0x1e0 [ 471.708965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.708965][ T10] [ 471.710815][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 471.711088][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 471.711088][ T10] netdev_get_by_index+0x5e/0x80 [ 471.711088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 471.711088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 471.711088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 471.711088][ T10] ipv6_add_addr+0x411/0x2000 [ 471.711088][ T10] inet6_addr_add+0x30e/0xa40 [ 471.711088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 471.711088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.711088][ T10] netlink_rcv_skb+0x130/0x360 [ 471.711088][ T10] netlink_unicast+0x449/0x710 [ 471.711088][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.711088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.711088][ T10] ___sys_sendmsg+0xee/0x170 [ 471.711088][ T10] __sys_sendmsg+0xcd/0x170 [ 471.711088][ T10] do_syscall_64+0xc6/0x1e0 [ 471.711088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.711088][ T10] [ 471.713198][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 471.713198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 471.713198][ T10] ipv6_find_idev+0x102/0x170 [ 471.713198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.713198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.713198][ T10] netlink_rcv_skb+0x130/0x360 [ 471.713198][ T10] netlink_unicast+0x449/0x710 [ 471.713198][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.713198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.713198][ T10] ___sys_sendmsg+0xee/0x170 [ 471.713198][ T10] __sys_sendmsg+0xcd/0x170 [ 471.713198][ T10] do_syscall_64+0xc6/0x1e0 [ 471.713198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.713198][ T10] [ 471.714800][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 471.714800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 471.714800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 471.714800][ T10] ipv6_find_idev+0x102/0x170 [ 471.714800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 471.714800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 471.714800][ T10] netlink_rcv_skb+0x130/0x360 [ 471.714800][ T10] netlink_unicast+0x449/0x710 [ 471.714800][ T10] netlink_sendmsg+0x723/0xbe0 [ 471.714800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 471.714800][ T10] ___sys_sendmsg+0xee/0x170 [ 471.714800][ T10] __sys_sendmsg+0xcd/0x170 [ 471.714800][ T10] do_syscall_64+0xc6/0x1e0 [ 471.714800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 471.714800][ T10] [ 481.718841][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 481.719331][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 481.719331][ T10] netdev_get_by_index+0x5e/0x80 [ 481.719331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.719331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.719331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.719331][ T10] ipv6_add_addr+0x411/0x2000 [ 481.719331][ T10] inet6_addr_add+0x30e/0xa40 [ 481.719331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.719331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.719331][ T10] netlink_rcv_skb+0x130/0x360 [ 481.719331][ T10] netlink_unicast+0x449/0x710 [ 481.719331][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.719331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.719331][ T10] ___sys_sendmsg+0xee/0x170 [ 481.719331][ T10] __sys_sendmsg+0xcd/0x170 [ 481.719331][ T10] do_syscall_64+0xc6/0x1e0 [ 481.719331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.719331][ T10] [ 481.721452][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 481.721452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.721452][ T10] ipv6_find_idev+0x102/0x170 [ 481.721452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.721452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.721452][ T10] netlink_rcv_skb+0x130/0x360 [ 481.721452][ T10] netlink_unicast+0x449/0x710 [ 481.721452][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.721452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.721452][ T10] ___sys_sendmsg+0xee/0x170 [ 481.721452][ T10] __sys_sendmsg+0xcd/0x170 [ 481.721452][ T10] do_syscall_64+0xc6/0x1e0 [ 481.721452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.721452][ T10] [ 481.723179][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 481.723179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.723179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.723179][ T10] ipv6_find_idev+0x102/0x170 [ 481.723179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.723179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.723179][ T10] netlink_rcv_skb+0x130/0x360 [ 481.723179][ T10] netlink_unicast+0x449/0x710 [ 481.723179][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.723179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.723179][ T10] ___sys_sendmsg+0xee/0x170 [ 481.723179][ T10] __sys_sendmsg+0xcd/0x170 [ 481.723179][ T10] do_syscall_64+0xc6/0x1e0 [ 481.723179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.723179][ T10] [ 481.724946][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 481.725236][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 481.725236][ T10] netdev_get_by_index+0x5e/0x80 [ 481.725236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.725236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.725236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.725236][ T10] ipv6_add_addr+0x411/0x2000 [ 481.725236][ T10] inet6_addr_add+0x30e/0xa40 [ 481.725236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.725236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.725236][ T10] netlink_rcv_skb+0x130/0x360 [ 481.725236][ T10] netlink_unicast+0x449/0x710 [ 481.725236][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.725236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.725236][ T10] ___sys_sendmsg+0xee/0x170 [ 481.725236][ T10] __sys_sendmsg+0xcd/0x170 [ 481.725236][ T10] do_syscall_64+0xc6/0x1e0 [ 481.725236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.725236][ T10] [ 481.727273][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 481.727273][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.727273][ T10] ipv6_find_idev+0x102/0x170 [ 481.727273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.727273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.727273][ T10] netlink_rcv_skb+0x130/0x360 [ 481.727273][ T10] netlink_unicast+0x449/0x710 [ 481.727273][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.727273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.727273][ T10] ___sys_sendmsg+0xee/0x170 [ 481.727273][ T10] __sys_sendmsg+0xcd/0x170 [ 481.727273][ T10] do_syscall_64+0xc6/0x1e0 [ 481.727273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.727273][ T10] [ 481.728845][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 481.728845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.728845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.728845][ T10] ipv6_find_idev+0x102/0x170 [ 481.728845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.728845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.728845][ T10] netlink_rcv_skb+0x130/0x360 [ 481.728845][ T10] netlink_unicast+0x449/0x710 [ 481.728845][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.728845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.728845][ T10] ___sys_sendmsg+0xee/0x170 [ 481.728845][ T10] __sys_sendmsg+0xcd/0x170 [ 481.728845][ T10] do_syscall_64+0xc6/0x1e0 [ 481.728845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.728845][ T10] [ 481.730567][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 481.730856][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 481.730856][ T10] netdev_get_by_index+0x5e/0x80 [ 481.730856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.730856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.730856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.730856][ T10] ipv6_add_addr+0x411/0x2000 [ 481.730856][ T10] inet6_addr_add+0x30e/0xa40 [ 481.730856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.730856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.730856][ T10] netlink_rcv_skb+0x130/0x360 [ 481.730856][ T10] netlink_unicast+0x449/0x710 [ 481.730856][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.730856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.730856][ T10] ___sys_sendmsg+0xee/0x170 [ 481.730856][ T10] __sys_sendmsg+0xcd/0x170 [ 481.730856][ T10] do_syscall_64+0xc6/0x1e0 [ 481.730856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.730856][ T10] [ 481.732897][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 481.732897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.732897][ T10] ipv6_find_idev+0x102/0x170 [ 481.732897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.732897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.732897][ T10] netlink_rcv_skb+0x130/0x360 [ 481.732897][ T10] netlink_unicast+0x449/0x710 [ 481.732897][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.732897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.732897][ T10] ___sys_sendmsg+0xee/0x170 [ 481.732897][ T10] __sys_sendmsg+0xcd/0x170 [ 481.732897][ T10] do_syscall_64+0xc6/0x1e0 [ 481.732897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.732897][ T10] [ 481.734461][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 481.734461][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.734461][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.734461][ T10] ipv6_find_idev+0x102/0x170 [ 481.734461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.734461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.734461][ T10] netlink_rcv_skb+0x130/0x360 [ 481.734461][ T10] netlink_unicast+0x449/0x710 [ 481.734461][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.734461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.734461][ T10] ___sys_sendmsg+0xee/0x170 [ 481.734461][ T10] __sys_sendmsg+0xcd/0x170 [ 481.734461][ T10] do_syscall_64+0xc6/0x1e0 [ 481.734461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.734461][ T10] [ 481.736175][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 481.736444][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 481.736444][ T10] netdev_get_by_index+0x5e/0x80 [ 481.736444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.736444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.736444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.736444][ T10] ipv6_add_addr+0x411/0x2000 [ 481.736444][ T10] inet6_addr_add+0x30e/0xa40 [ 481.736444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.736444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.736444][ T10] netlink_rcv_skb+0x130/0x360 [ 481.736444][ T10] netlink_unicast+0x449/0x710 [ 481.736444][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.736444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.736444][ T10] ___sys_sendmsg+0xee/0x170 [ 481.736444][ T10] __sys_sendmsg+0xcd/0x170 [ 481.736444][ T10] do_syscall_64+0xc6/0x1e0 [ 481.736444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.736444][ T10] [ 481.738478][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 481.738478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.738478][ T10] ipv6_find_idev+0x102/0x170 [ 481.738478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.738478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.738478][ T10] netlink_rcv_skb+0x130/0x360 [ 481.738478][ T10] netlink_unicast+0x449/0x710 [ 481.738478][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.738478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.738478][ T10] ___sys_sendmsg+0xee/0x170 [ 481.738478][ T10] __sys_sendmsg+0xcd/0x170 [ 481.738478][ T10] do_syscall_64+0xc6/0x1e0 [ 481.738478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.738478][ T10] [ 481.740049][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 481.740049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.740049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.740049][ T10] ipv6_find_idev+0x102/0x170 [ 481.740049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.740049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.740049][ T10] netlink_rcv_skb+0x130/0x360 [ 481.740049][ T10] netlink_unicast+0x449/0x710 [ 481.740049][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.740049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.740049][ T10] ___sys_sendmsg+0xee/0x170 [ 481.740049][ T10] __sys_sendmsg+0xcd/0x170 [ 481.740049][ T10] do_syscall_64+0xc6/0x1e0 [ 481.740049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.740049][ T10] [ 481.742199][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 481.742827][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 481.742827][ T10] netdev_get_by_index+0x5e/0x80 [ 481.742827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.742827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.742827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.742827][ T10] ipv6_add_addr+0x411/0x2000 [ 481.742827][ T10] inet6_addr_add+0x30e/0xa40 [ 481.742827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.742827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.742827][ T10] netlink_rcv_skb+0x130/0x360 [ 481.742827][ T10] netlink_unicast+0x449/0x710 [ 481.742827][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.742827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.742827][ T10] ___sys_sendmsg+0xee/0x170 [ 481.742827][ T10] __sys_sendmsg+0xcd/0x170 [ 481.742827][ T10] do_syscall_64+0xc6/0x1e0 [ 481.742827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.742827][ T10] [ 481.744883][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 481.744883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.744883][ T10] ipv6_find_idev+0x102/0x170 [ 481.744883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.744883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.744883][ T10] netlink_rcv_skb+0x130/0x360 [ 481.744883][ T10] netlink_unicast+0x449/0x710 [ 481.744883][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.744883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.744883][ T10] ___sys_sendmsg+0xee/0x170 [ 481.744883][ T10] __sys_sendmsg+0xcd/0x170 [ 481.744883][ T10] do_syscall_64+0xc6/0x1e0 [ 481.744883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.744883][ T10] [ 481.746471][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 481.746471][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.746471][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.746471][ T10] ipv6_find_idev+0x102/0x170 [ 481.746471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.746471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.746471][ T10] netlink_rcv_skb+0x130/0x360 [ 481.746471][ T10] netlink_unicast+0x449/0x710 [ 481.746471][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.746471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.746471][ T10] ___sys_sendmsg+0xee/0x170 [ 481.746471][ T10] __sys_sendmsg+0xcd/0x170 [ 481.746471][ T10] do_syscall_64+0xc6/0x1e0 [ 481.746471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.746471][ T10] [ 481.748178][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 481.748459][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 481.748459][ T10] netdev_get_by_index+0x5e/0x80 [ 481.748459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.748459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.748459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.748459][ T10] ipv6_add_addr+0x411/0x2000 [ 481.748459][ T10] inet6_addr_add+0x30e/0xa40 [ 481.748459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.748459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.748459][ T10] netlink_rcv_skb+0x130/0x360 [ 481.748459][ T10] netlink_unicast+0x449/0x710 [ 481.748459][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.748459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.748459][ T10] ___sys_sendmsg+0xee/0x170 [ 481.748459][ T10] __sys_sendmsg+0xcd/0x170 [ 481.748459][ T10] do_syscall_64+0xc6/0x1e0 [ 481.748459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.748459][ T10] [ 481.750679][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 481.750679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.750679][ T10] ipv6_find_idev+0x102/0x170 [ 481.750679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.750679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.750679][ T10] netlink_rcv_skb+0x130/0x360 [ 481.750679][ T10] netlink_unicast+0x449/0x710 [ 481.750679][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.750679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.750679][ T10] ___sys_sendmsg+0xee/0x170 [ 481.750679][ T10] __sys_sendmsg+0xcd/0x170 [ 481.750679][ T10] do_syscall_64+0xc6/0x1e0 [ 481.750679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.750679][ T10] [ 481.752502][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 481.752502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.752502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.752502][ T10] ipv6_find_idev+0x102/0x170 [ 481.752502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.752502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.752502][ T10] netlink_rcv_skb+0x130/0x360 [ 481.752502][ T10] netlink_unicast+0x449/0x710 [ 481.752502][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.752502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.752502][ T10] ___sys_sendmsg+0xee/0x170 [ 481.752502][ T10] __sys_sendmsg+0xcd/0x170 [ 481.752502][ T10] do_syscall_64+0xc6/0x1e0 [ 481.752502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.752502][ T10] [ 481.754445][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 481.754782][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 481.754782][ T10] netdev_get_by_index+0x5e/0x80 [ 481.754782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.754782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.754782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.754782][ T10] ipv6_add_addr+0x411/0x2000 [ 481.754782][ T10] inet6_addr_add+0x30e/0xa40 [ 481.754782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.754782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.754782][ T10] netlink_rcv_skb+0x130/0x360 [ 481.754782][ T10] netlink_unicast+0x449/0x710 [ 481.754782][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.754782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.754782][ T10] ___sys_sendmsg+0xee/0x170 [ 481.754782][ T10] __sys_sendmsg+0xcd/0x170 [ 481.754782][ T10] do_syscall_64+0xc6/0x1e0 [ 481.754782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.754782][ T10] [ 481.757002][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 481.757002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.757002][ T10] ipv6_find_idev+0x102/0x170 [ 481.757002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.757002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.757002][ T10] netlink_rcv_skb+0x130/0x360 [ 481.757002][ T10] netlink_unicast+0x449/0x710 [ 481.757002][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.757002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.757002][ T10] ___sys_sendmsg+0xee/0x170 [ 481.757002][ T10] __sys_sendmsg+0xcd/0x170 [ 481.757002][ T10] do_syscall_64+0xc6/0x1e0 [ 481.757002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.757002][ T10] [ 481.758742][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 481.758742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.758742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.758742][ T10] ipv6_find_idev+0x102/0x170 [ 481.758742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.758742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.758742][ T10] netlink_rcv_skb+0x130/0x360 [ 481.758742][ T10] netlink_unicast+0x449/0x710 [ 481.758742][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.758742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.758742][ T10] ___sys_sendmsg+0xee/0x170 [ 481.758742][ T10] __sys_sendmsg+0xcd/0x170 [ 481.758742][ T10] do_syscall_64+0xc6/0x1e0 [ 481.758742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.758742][ T10] [ 481.760751][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 481.761071][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 481.761071][ T10] netdev_get_by_index+0x5e/0x80 [ 481.761071][ T10] fib6_nh_init+0x3d8/0x15b0 [ 481.761071][ T10] ip6_route_info_create+0xf18/0x17d0 [ 481.761071][ T10] addrconf_f6i_alloc+0x244/0x410 [ 481.761071][ T10] ipv6_add_addr+0x411/0x2000 [ 481.761071][ T10] inet6_addr_add+0x30e/0xa40 [ 481.761071][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 481.761071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.761071][ T10] netlink_rcv_skb+0x130/0x360 [ 481.761071][ T10] netlink_unicast+0x449/0x710 [ 481.761071][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.761071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.761071][ T10] ___sys_sendmsg+0xee/0x170 [ 481.761071][ T10] __sys_sendmsg+0xcd/0x170 [ 481.761071][ T10] do_syscall_64+0xc6/0x1e0 [ 481.761071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.761071][ T10] [ 481.763346][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 481.763346][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 481.763346][ T10] ipv6_find_idev+0x102/0x170 [ 481.763346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.763346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.763346][ T10] netlink_rcv_skb+0x130/0x360 [ 481.763346][ T10] netlink_unicast+0x449/0x710 [ 481.763346][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.763346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.763346][ T10] ___sys_sendmsg+0xee/0x170 [ 481.763346][ T10] __sys_sendmsg+0xcd/0x170 [ 481.763346][ T10] do_syscall_64+0xc6/0x1e0 [ 481.763346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.763346][ T10] [ 481.765106][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 481.765106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 481.765106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 481.765106][ T10] ipv6_find_idev+0x102/0x170 [ 481.765106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 481.765106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 481.765106][ T10] netlink_rcv_skb+0x130/0x360 [ 481.765106][ T10] netlink_unicast+0x449/0x710 [ 481.765106][ T10] netlink_sendmsg+0x723/0xbe0 [ 481.765106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 481.765106][ T10] ___sys_sendmsg+0xee/0x170 [ 481.765106][ T10] __sys_sendmsg+0xcd/0x170 [ 481.765106][ T10] do_syscall_64+0xc6/0x1e0 [ 481.765106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 481.765106][ T10] [ 491.838823][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 491.839372][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 491.839372][ T10] netdev_get_by_index+0x5e/0x80 [ 491.839372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.839372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.839372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.839372][ T10] ipv6_add_addr+0x411/0x2000 [ 491.839372][ T10] inet6_addr_add+0x30e/0xa40 [ 491.839372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.839372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.839372][ T10] netlink_rcv_skb+0x130/0x360 [ 491.839372][ T10] netlink_unicast+0x449/0x710 [ 491.839372][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.839372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.839372][ T10] ___sys_sendmsg+0xee/0x170 [ 491.839372][ T10] __sys_sendmsg+0xcd/0x170 [ 491.839372][ T10] do_syscall_64+0xc6/0x1e0 [ 491.839372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.839372][ T10] [ 491.841491][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 491.841491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.841491][ T10] ipv6_find_idev+0x102/0x170 [ 491.841491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.841491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.841491][ T10] netlink_rcv_skb+0x130/0x360 [ 491.841491][ T10] netlink_unicast+0x449/0x710 [ 491.841491][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.841491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.841491][ T10] ___sys_sendmsg+0xee/0x170 [ 491.841491][ T10] __sys_sendmsg+0xcd/0x170 [ 491.841491][ T10] do_syscall_64+0xc6/0x1e0 [ 491.841491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.841491][ T10] [ 491.843048][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 491.843048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.843048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.843048][ T10] ipv6_find_idev+0x102/0x170 [ 491.843048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.843048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.843048][ T10] netlink_rcv_skb+0x130/0x360 [ 491.843048][ T10] netlink_unicast+0x449/0x710 [ 491.843048][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.843048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.843048][ T10] ___sys_sendmsg+0xee/0x170 [ 491.843048][ T10] __sys_sendmsg+0xcd/0x170 [ 491.843048][ T10] do_syscall_64+0xc6/0x1e0 [ 491.843048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.843048][ T10] [ 491.844796][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 491.845083][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 491.845083][ T10] netdev_get_by_index+0x5e/0x80 [ 491.845083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.845083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.845083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.845083][ T10] ipv6_add_addr+0x411/0x2000 [ 491.845083][ T10] inet6_addr_add+0x30e/0xa40 [ 491.845083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.845083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.845083][ T10] netlink_rcv_skb+0x130/0x360 [ 491.845083][ T10] netlink_unicast+0x449/0x710 [ 491.845083][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.845083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.845083][ T10] ___sys_sendmsg+0xee/0x170 [ 491.845083][ T10] __sys_sendmsg+0xcd/0x170 [ 491.845083][ T10] do_syscall_64+0xc6/0x1e0 [ 491.845083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.845083][ T10] [ 491.847145][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 491.847145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.847145][ T10] ipv6_find_idev+0x102/0x170 [ 491.847145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.847145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.847145][ T10] netlink_rcv_skb+0x130/0x360 [ 491.847145][ T10] netlink_unicast+0x449/0x710 [ 491.847145][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.847145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.847145][ T10] ___sys_sendmsg+0xee/0x170 [ 491.847145][ T10] __sys_sendmsg+0xcd/0x170 [ 491.847145][ T10] do_syscall_64+0xc6/0x1e0 [ 491.847145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.847145][ T10] [ 491.848719][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 491.848719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.848719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.848719][ T10] ipv6_find_idev+0x102/0x170 [ 491.848719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.848719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.848719][ T10] netlink_rcv_skb+0x130/0x360 [ 491.848719][ T10] netlink_unicast+0x449/0x710 [ 491.848719][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.848719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.848719][ T10] ___sys_sendmsg+0xee/0x170 [ 491.848719][ T10] __sys_sendmsg+0xcd/0x170 [ 491.848719][ T10] do_syscall_64+0xc6/0x1e0 [ 491.848719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.848719][ T10] [ 491.850448][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 491.850738][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 491.850738][ T10] netdev_get_by_index+0x5e/0x80 [ 491.850738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.850738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.850738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.850738][ T10] ipv6_add_addr+0x411/0x2000 [ 491.850738][ T10] inet6_addr_add+0x30e/0xa40 [ 491.850738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.850738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.850738][ T10] netlink_rcv_skb+0x130/0x360 [ 491.850738][ T10] netlink_unicast+0x449/0x710 [ 491.850738][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.850738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.850738][ T10] ___sys_sendmsg+0xee/0x170 [ 491.850738][ T10] __sys_sendmsg+0xcd/0x170 [ 491.850738][ T10] do_syscall_64+0xc6/0x1e0 [ 491.850738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.850738][ T10] [ 491.852765][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 491.852765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.852765][ T10] ipv6_find_idev+0x102/0x170 [ 491.852765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.852765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.852765][ T10] netlink_rcv_skb+0x130/0x360 [ 491.852765][ T10] netlink_unicast+0x449/0x710 [ 491.852765][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.852765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.852765][ T10] ___sys_sendmsg+0xee/0x170 [ 491.852765][ T10] __sys_sendmsg+0xcd/0x170 [ 491.852765][ T10] do_syscall_64+0xc6/0x1e0 [ 491.852765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.852765][ T10] [ 491.854329][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 491.854329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.854329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.854329][ T10] ipv6_find_idev+0x102/0x170 [ 491.854329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.854329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.854329][ T10] netlink_rcv_skb+0x130/0x360 [ 491.854329][ T10] netlink_unicast+0x449/0x710 [ 491.854329][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.854329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.854329][ T10] ___sys_sendmsg+0xee/0x170 [ 491.854329][ T10] __sys_sendmsg+0xcd/0x170 [ 491.854329][ T10] do_syscall_64+0xc6/0x1e0 [ 491.854329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.854329][ T10] [ 491.856063][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 491.856345][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 491.856345][ T10] netdev_get_by_index+0x5e/0x80 [ 491.856345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.856345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.856345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.856345][ T10] ipv6_add_addr+0x411/0x2000 [ 491.856345][ T10] inet6_addr_add+0x30e/0xa40 [ 491.856345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.856345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.856345][ T10] netlink_rcv_skb+0x130/0x360 [ 491.856345][ T10] netlink_unicast+0x449/0x710 [ 491.856345][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.856345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.856345][ T10] ___sys_sendmsg+0xee/0x170 [ 491.856345][ T10] __sys_sendmsg+0xcd/0x170 [ 491.856345][ T10] do_syscall_64+0xc6/0x1e0 [ 491.856345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.856345][ T10] [ 491.858379][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 491.858379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.858379][ T10] ipv6_find_idev+0x102/0x170 [ 491.858379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.858379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.858379][ T10] netlink_rcv_skb+0x130/0x360 [ 491.858379][ T10] netlink_unicast+0x449/0x710 [ 491.858379][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.858379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.858379][ T10] ___sys_sendmsg+0xee/0x170 [ 491.858379][ T10] __sys_sendmsg+0xcd/0x170 [ 491.858379][ T10] do_syscall_64+0xc6/0x1e0 [ 491.858379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.858379][ T10] [ 491.859934][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 491.859934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.859934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.859934][ T10] ipv6_find_idev+0x102/0x170 [ 491.859934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.859934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.859934][ T10] netlink_rcv_skb+0x130/0x360 [ 491.859934][ T10] netlink_unicast+0x449/0x710 [ 491.859934][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.859934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.859934][ T10] ___sys_sendmsg+0xee/0x170 [ 491.859934][ T10] __sys_sendmsg+0xcd/0x170 [ 491.859934][ T10] do_syscall_64+0xc6/0x1e0 [ 491.859934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.859934][ T10] [ 491.862303][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 491.862622][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 491.862622][ T10] netdev_get_by_index+0x5e/0x80 [ 491.862622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.862622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.862622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.862622][ T10] ipv6_add_addr+0x411/0x2000 [ 491.862622][ T10] inet6_addr_add+0x30e/0xa40 [ 491.862622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.862622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.862622][ T10] netlink_rcv_skb+0x130/0x360 [ 491.862622][ T10] netlink_unicast+0x449/0x710 [ 491.862622][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.862622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.862622][ T10] ___sys_sendmsg+0xee/0x170 [ 491.862622][ T10] __sys_sendmsg+0xcd/0x170 [ 491.862622][ T10] do_syscall_64+0xc6/0x1e0 [ 491.862622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.862622][ T10] [ 491.864671][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 491.864671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.864671][ T10] ipv6_find_idev+0x102/0x170 [ 491.864671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.864671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.864671][ T10] netlink_rcv_skb+0x130/0x360 [ 491.864671][ T10] netlink_unicast+0x449/0x710 [ 491.864671][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.864671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.864671][ T10] ___sys_sendmsg+0xee/0x170 [ 491.864671][ T10] __sys_sendmsg+0xcd/0x170 [ 491.864671][ T10] do_syscall_64+0xc6/0x1e0 [ 491.864671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.864671][ T10] [ 491.866243][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 491.866243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.866243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.866243][ T10] ipv6_find_idev+0x102/0x170 [ 491.866243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.866243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.866243][ T10] netlink_rcv_skb+0x130/0x360 [ 491.866243][ T10] netlink_unicast+0x449/0x710 [ 491.866243][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.866243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.866243][ T10] ___sys_sendmsg+0xee/0x170 [ 491.866243][ T10] __sys_sendmsg+0xcd/0x170 [ 491.866243][ T10] do_syscall_64+0xc6/0x1e0 [ 491.866243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.866243][ T10] [ 491.868254][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 491.868584][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 491.868584][ T10] netdev_get_by_index+0x5e/0x80 [ 491.868584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.868584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.868584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.868584][ T10] ipv6_add_addr+0x411/0x2000 [ 491.868584][ T10] inet6_addr_add+0x30e/0xa40 [ 491.868584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.868584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.868584][ T10] netlink_rcv_skb+0x130/0x360 [ 491.868584][ T10] netlink_unicast+0x449/0x710 [ 491.868584][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.868584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.868584][ T10] ___sys_sendmsg+0xee/0x170 [ 491.868584][ T10] __sys_sendmsg+0xcd/0x170 [ 491.868584][ T10] do_syscall_64+0xc6/0x1e0 [ 491.868584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.868584][ T10] [ 491.870879][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 491.870879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.870879][ T10] ipv6_find_idev+0x102/0x170 [ 491.870879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.870879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.870879][ T10] netlink_rcv_skb+0x130/0x360 [ 491.870879][ T10] netlink_unicast+0x449/0x710 [ 491.870879][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.870879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.870879][ T10] ___sys_sendmsg+0xee/0x170 [ 491.870879][ T10] __sys_sendmsg+0xcd/0x170 [ 491.870879][ T10] do_syscall_64+0xc6/0x1e0 [ 491.870879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.870879][ T10] [ 491.872625][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 491.872625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.872625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.872625][ T10] ipv6_find_idev+0x102/0x170 [ 491.872625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.872625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.872625][ T10] netlink_rcv_skb+0x130/0x360 [ 491.872625][ T10] netlink_unicast+0x449/0x710 [ 491.872625][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.872625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.872625][ T10] ___sys_sendmsg+0xee/0x170 [ 491.872625][ T10] __sys_sendmsg+0xcd/0x170 [ 491.872625][ T10] do_syscall_64+0xc6/0x1e0 [ 491.872625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.872625][ T10] [ 491.874571][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 491.874902][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 491.874902][ T10] netdev_get_by_index+0x5e/0x80 [ 491.874902][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.874902][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.874902][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.874902][ T10] ipv6_add_addr+0x411/0x2000 [ 491.874902][ T10] inet6_addr_add+0x30e/0xa40 [ 491.874902][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.874902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.874902][ T10] netlink_rcv_skb+0x130/0x360 [ 491.874902][ T10] netlink_unicast+0x449/0x710 [ 491.874902][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.874902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.874902][ T10] ___sys_sendmsg+0xee/0x170 [ 491.874902][ T10] __sys_sendmsg+0xcd/0x170 [ 491.874902][ T10] do_syscall_64+0xc6/0x1e0 [ 491.874902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.874902][ T10] [ 491.877136][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 491.877136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.877136][ T10] ipv6_find_idev+0x102/0x170 [ 491.877136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.877136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.877136][ T10] netlink_rcv_skb+0x130/0x360 [ 491.877136][ T10] netlink_unicast+0x449/0x710 [ 491.877136][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.877136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.877136][ T10] ___sys_sendmsg+0xee/0x170 [ 491.877136][ T10] __sys_sendmsg+0xcd/0x170 [ 491.877136][ T10] do_syscall_64+0xc6/0x1e0 [ 491.877136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.877136][ T10] [ 491.878874][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 491.878874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.878874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.878874][ T10] ipv6_find_idev+0x102/0x170 [ 491.878874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.878874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.878874][ T10] netlink_rcv_skb+0x130/0x360 [ 491.878874][ T10] netlink_unicast+0x449/0x710 [ 491.878874][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.878874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.878874][ T10] ___sys_sendmsg+0xee/0x170 [ 491.878874][ T10] __sys_sendmsg+0xcd/0x170 [ 491.878874][ T10] do_syscall_64+0xc6/0x1e0 [ 491.878874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.878874][ T10] [ 491.880874][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 491.881192][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 491.881192][ T10] netdev_get_by_index+0x5e/0x80 [ 491.881192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 491.881192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 491.881192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 491.881192][ T10] ipv6_add_addr+0x411/0x2000 [ 491.881192][ T10] inet6_addr_add+0x30e/0xa40 [ 491.881192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 491.881192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.881192][ T10] netlink_rcv_skb+0x130/0x360 [ 491.881192][ T10] netlink_unicast+0x449/0x710 [ 491.881192][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.881192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.881192][ T10] ___sys_sendmsg+0xee/0x170 [ 491.881192][ T10] __sys_sendmsg+0xcd/0x170 [ 491.881192][ T10] do_syscall_64+0xc6/0x1e0 [ 491.881192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.881192][ T10] [ 491.883412][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 491.883412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 491.883412][ T10] ipv6_find_idev+0x102/0x170 [ 491.883412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.883412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.883412][ T10] netlink_rcv_skb+0x130/0x360 [ 491.883412][ T10] netlink_unicast+0x449/0x710 [ 491.883412][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.883412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.883412][ T10] ___sys_sendmsg+0xee/0x170 [ 491.883412][ T10] __sys_sendmsg+0xcd/0x170 [ 491.883412][ T10] do_syscall_64+0xc6/0x1e0 [ 491.883412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.883412][ T10] [ 491.885155][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 491.885155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 491.885155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 491.885155][ T10] ipv6_find_idev+0x102/0x170 [ 491.885155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 491.885155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 491.885155][ T10] netlink_rcv_skb+0x130/0x360 [ 491.885155][ T10] netlink_unicast+0x449/0x710 [ 491.885155][ T10] netlink_sendmsg+0x723/0xbe0 [ 491.885155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 491.885155][ T10] ___sys_sendmsg+0xee/0x170 [ 491.885155][ T10] __sys_sendmsg+0xcd/0x170 [ 491.885155][ T10] do_syscall_64+0xc6/0x1e0 [ 491.885155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 491.885155][ T10] [ 502.142821][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 502.143211][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 502.143211][ T10] netdev_get_by_index+0x5e/0x80 [ 502.143211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.143211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.143211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.143211][ T10] ipv6_add_addr+0x411/0x2000 [ 502.143211][ T10] inet6_addr_add+0x30e/0xa40 [ 502.143211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.143211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.143211][ T10] netlink_rcv_skb+0x130/0x360 [ 502.143211][ T10] netlink_unicast+0x449/0x710 [ 502.143211][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.143211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.143211][ T10] ___sys_sendmsg+0xee/0x170 [ 502.143211][ T10] __sys_sendmsg+0xcd/0x170 [ 502.143211][ T10] do_syscall_64+0xc6/0x1e0 [ 502.143211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.143211][ T10] [ 502.145299][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 502.145299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.145299][ T10] ipv6_find_idev+0x102/0x170 [ 502.145299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.145299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.145299][ T10] netlink_rcv_skb+0x130/0x360 [ 502.145299][ T10] netlink_unicast+0x449/0x710 [ 502.145299][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.145299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.145299][ T10] ___sys_sendmsg+0xee/0x170 [ 502.145299][ T10] __sys_sendmsg+0xcd/0x170 [ 502.145299][ T10] do_syscall_64+0xc6/0x1e0 [ 502.145299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.145299][ T10] [ 502.146851][ T10] ref_tracker: ns1eth4@ffff8880058815c0 has 1/3 users at [ 502.146851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.146851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.146851][ T10] ipv6_find_idev+0x102/0x170 [ 502.146851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.146851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.146851][ T10] netlink_rcv_skb+0x130/0x360 [ 502.146851][ T10] netlink_unicast+0x449/0x710 [ 502.146851][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.146851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.146851][ T10] ___sys_sendmsg+0xee/0x170 [ 502.146851][ T10] __sys_sendmsg+0xcd/0x170 [ 502.146851][ T10] do_syscall_64+0xc6/0x1e0 [ 502.146851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.146851][ T10] [ 502.148575][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 502.148863][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 502.148863][ T10] netdev_get_by_index+0x5e/0x80 [ 502.148863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.148863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.148863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.148863][ T10] ipv6_add_addr+0x411/0x2000 [ 502.148863][ T10] inet6_addr_add+0x30e/0xa40 [ 502.148863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.148863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.148863][ T10] netlink_rcv_skb+0x130/0x360 [ 502.148863][ T10] netlink_unicast+0x449/0x710 [ 502.148863][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.148863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.148863][ T10] ___sys_sendmsg+0xee/0x170 [ 502.148863][ T10] __sys_sendmsg+0xcd/0x170 [ 502.148863][ T10] do_syscall_64+0xc6/0x1e0 [ 502.148863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.148863][ T10] [ 502.150905][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 502.150905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.150905][ T10] ipv6_find_idev+0x102/0x170 [ 502.150905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.150905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.150905][ T10] netlink_rcv_skb+0x130/0x360 [ 502.150905][ T10] netlink_unicast+0x449/0x710 [ 502.150905][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.150905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.150905][ T10] ___sys_sendmsg+0xee/0x170 [ 502.150905][ T10] __sys_sendmsg+0xcd/0x170 [ 502.150905][ T10] do_syscall_64+0xc6/0x1e0 [ 502.150905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.150905][ T10] [ 502.152504][ T10] ref_tracker: ns2eth4@ffff8880061a45c0 has 1/3 users at [ 502.152504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.152504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.152504][ T10] ipv6_find_idev+0x102/0x170 [ 502.152504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.152504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.152504][ T10] netlink_rcv_skb+0x130/0x360 [ 502.152504][ T10] netlink_unicast+0x449/0x710 [ 502.152504][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.152504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.152504][ T10] ___sys_sendmsg+0xee/0x170 [ 502.152504][ T10] __sys_sendmsg+0xcd/0x170 [ 502.152504][ T10] do_syscall_64+0xc6/0x1e0 [ 502.152504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.152504][ T10] [ 502.154238][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 502.154513][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 502.154513][ T10] netdev_get_by_index+0x5e/0x80 [ 502.154513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.154513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.154513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.154513][ T10] ipv6_add_addr+0x411/0x2000 [ 502.154513][ T10] inet6_addr_add+0x30e/0xa40 [ 502.154513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.154513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.154513][ T10] netlink_rcv_skb+0x130/0x360 [ 502.154513][ T10] netlink_unicast+0x449/0x710 [ 502.154513][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.154513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.154513][ T10] ___sys_sendmsg+0xee/0x170 [ 502.154513][ T10] __sys_sendmsg+0xcd/0x170 [ 502.154513][ T10] do_syscall_64+0xc6/0x1e0 [ 502.154513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.154513][ T10] [ 502.156569][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 502.156569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.156569][ T10] ipv6_find_idev+0x102/0x170 [ 502.156569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.156569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.156569][ T10] netlink_rcv_skb+0x130/0x360 [ 502.156569][ T10] netlink_unicast+0x449/0x710 [ 502.156569][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.156569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.156569][ T10] ___sys_sendmsg+0xee/0x170 [ 502.156569][ T10] __sys_sendmsg+0xcd/0x170 [ 502.156569][ T10] do_syscall_64+0xc6/0x1e0 [ 502.156569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.156569][ T10] [ 502.158165][ T10] ref_tracker: ns1eth3@ffff8880078f45c0 has 1/3 users at [ 502.158165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.158165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.158165][ T10] ipv6_find_idev+0x102/0x170 [ 502.158165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.158165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.158165][ T10] netlink_rcv_skb+0x130/0x360 [ 502.158165][ T10] netlink_unicast+0x449/0x710 [ 502.158165][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.158165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.158165][ T10] ___sys_sendmsg+0xee/0x170 [ 502.158165][ T10] __sys_sendmsg+0xcd/0x170 [ 502.158165][ T10] do_syscall_64+0xc6/0x1e0 [ 502.158165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.158165][ T10] [ 502.159891][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 502.160231][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 502.160231][ T10] netdev_get_by_index+0x5e/0x80 [ 502.160231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.160231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.160231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.160231][ T10] ipv6_add_addr+0x411/0x2000 [ 502.160231][ T10] inet6_addr_add+0x30e/0xa40 [ 502.160231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.160231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.160231][ T10] netlink_rcv_skb+0x130/0x360 [ 502.160231][ T10] netlink_unicast+0x449/0x710 [ 502.160231][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.160231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.160231][ T10] ___sys_sendmsg+0xee/0x170 [ 502.160231][ T10] __sys_sendmsg+0xcd/0x170 [ 502.160231][ T10] do_syscall_64+0xc6/0x1e0 [ 502.160231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.160231][ T10] [ 502.162526][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 502.162526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.162526][ T10] ipv6_find_idev+0x102/0x170 [ 502.162526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.162526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.162526][ T10] netlink_rcv_skb+0x130/0x360 [ 502.162526][ T10] netlink_unicast+0x449/0x710 [ 502.162526][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.162526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.162526][ T10] ___sys_sendmsg+0xee/0x170 [ 502.162526][ T10] __sys_sendmsg+0xcd/0x170 [ 502.162526][ T10] do_syscall_64+0xc6/0x1e0 [ 502.162526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.162526][ T10] [ 502.164306][ T10] ref_tracker: ns2eth3@ffff888005b545c0 has 1/3 users at [ 502.164306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.164306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.164306][ T10] ipv6_find_idev+0x102/0x170 [ 502.164306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.164306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.164306][ T10] netlink_rcv_skb+0x130/0x360 [ 502.164306][ T10] netlink_unicast+0x449/0x710 [ 502.164306][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.164306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.164306][ T10] ___sys_sendmsg+0xee/0x170 [ 502.164306][ T10] __sys_sendmsg+0xcd/0x170 [ 502.164306][ T10] do_syscall_64+0xc6/0x1e0 [ 502.164306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.164306][ T10] [ 502.166156][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 502.166490][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 502.166490][ T10] netdev_get_by_index+0x5e/0x80 [ 502.166490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.166490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.166490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.166490][ T10] ipv6_add_addr+0x411/0x2000 [ 502.166490][ T10] inet6_addr_add+0x30e/0xa40 [ 502.166490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.166490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.166490][ T10] netlink_rcv_skb+0x130/0x360 [ 502.166490][ T10] netlink_unicast+0x449/0x710 [ 502.166490][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.166490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.166490][ T10] ___sys_sendmsg+0xee/0x170 [ 502.166490][ T10] __sys_sendmsg+0xcd/0x170 [ 502.166490][ T10] do_syscall_64+0xc6/0x1e0 [ 502.166490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.166490][ T10] [ 502.168568][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 502.168568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.168568][ T10] ipv6_find_idev+0x102/0x170 [ 502.168568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.168568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.168568][ T10] netlink_rcv_skb+0x130/0x360 [ 502.168568][ T10] netlink_unicast+0x449/0x710 [ 502.168568][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.168568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.168568][ T10] ___sys_sendmsg+0xee/0x170 [ 502.168568][ T10] __sys_sendmsg+0xcd/0x170 [ 502.168568][ T10] do_syscall_64+0xc6/0x1e0 [ 502.168568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.168568][ T10] [ 502.170271][ T10] ref_tracker: ns1eth2@ffff8880069995c0 has 1/3 users at [ 502.170271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.170271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.170271][ T10] ipv6_find_idev+0x102/0x170 [ 502.170271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.170271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.170271][ T10] netlink_rcv_skb+0x130/0x360 [ 502.170271][ T10] netlink_unicast+0x449/0x710 [ 502.170271][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.170271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.170271][ T10] ___sys_sendmsg+0xee/0x170 [ 502.170271][ T10] __sys_sendmsg+0xcd/0x170 [ 502.170271][ T10] do_syscall_64+0xc6/0x1e0 [ 502.170271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.170271][ T10] [ 502.172608][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 502.173337][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 502.173337][ T10] netdev_get_by_index+0x5e/0x80 [ 502.173337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.173337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.173337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.173337][ T10] ipv6_add_addr+0x411/0x2000 [ 502.173337][ T10] inet6_addr_add+0x30e/0xa40 [ 502.173337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.173337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.173337][ T10] netlink_rcv_skb+0x130/0x360 [ 502.173337][ T10] netlink_unicast+0x449/0x710 [ 502.173337][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.173337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.173337][ T10] ___sys_sendmsg+0xee/0x170 [ 502.173337][ T10] __sys_sendmsg+0xcd/0x170 [ 502.173337][ T10] do_syscall_64+0xc6/0x1e0 [ 502.173337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.173337][ T10] [ 502.175393][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 502.175393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.175393][ T10] ipv6_find_idev+0x102/0x170 [ 502.175393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.175393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.175393][ T10] netlink_rcv_skb+0x130/0x360 [ 502.175393][ T10] netlink_unicast+0x449/0x710 [ 502.175393][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.175393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.175393][ T10] ___sys_sendmsg+0xee/0x170 [ 502.175393][ T10] __sys_sendmsg+0xcd/0x170 [ 502.175393][ T10] do_syscall_64+0xc6/0x1e0 [ 502.175393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.175393][ T10] [ 502.176973][ T10] ref_tracker: ns2eth2@ffff88800699c5c0 has 1/3 users at [ 502.176973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.176973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.176973][ T10] ipv6_find_idev+0x102/0x170 [ 502.176973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.176973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.176973][ T10] netlink_rcv_skb+0x130/0x360 [ 502.176973][ T10] netlink_unicast+0x449/0x710 [ 502.176973][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.176973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.176973][ T10] ___sys_sendmsg+0xee/0x170 [ 502.176973][ T10] __sys_sendmsg+0xcd/0x170 [ 502.176973][ T10] do_syscall_64+0xc6/0x1e0 [ 502.176973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.176973][ T10] [ 502.178920][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 502.179302][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 502.179302][ T10] netdev_get_by_index+0x5e/0x80 [ 502.179302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.179302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.179302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.179302][ T10] ipv6_add_addr+0x411/0x2000 [ 502.179302][ T10] inet6_addr_add+0x30e/0xa40 [ 502.179302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.179302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.179302][ T10] netlink_rcv_skb+0x130/0x360 [ 502.179302][ T10] netlink_unicast+0x449/0x710 [ 502.179302][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.179302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.179302][ T10] ___sys_sendmsg+0xee/0x170 [ 502.179302][ T10] __sys_sendmsg+0xcd/0x170 [ 502.179302][ T10] do_syscall_64+0xc6/0x1e0 [ 502.179302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.179302][ T10] [ 502.181417][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 502.181417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.181417][ T10] ipv6_find_idev+0x102/0x170 [ 502.181417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.181417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.181417][ T10] netlink_rcv_skb+0x130/0x360 [ 502.181417][ T10] netlink_unicast+0x449/0x710 [ 502.181417][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.181417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.181417][ T10] ___sys_sendmsg+0xee/0x170 [ 502.181417][ T10] __sys_sendmsg+0xcd/0x170 [ 502.181417][ T10] do_syscall_64+0xc6/0x1e0 [ 502.181417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.181417][ T10] [ 502.183093][ T10] ref_tracker: ns1eth1@ffff8880069545c0 has 1/3 users at [ 502.183093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.183093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.183093][ T10] ipv6_find_idev+0x102/0x170 [ 502.183093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.183093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.183093][ T10] netlink_rcv_skb+0x130/0x360 [ 502.183093][ T10] netlink_unicast+0x449/0x710 [ 502.183093][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.183093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.183093][ T10] ___sys_sendmsg+0xee/0x170 [ 502.183093][ T10] __sys_sendmsg+0xcd/0x170 [ 502.183093][ T10] do_syscall_64+0xc6/0x1e0 [ 502.183093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.183093][ T10] [ 502.185146][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 502.185490][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 502.185490][ T10] netdev_get_by_index+0x5e/0x80 [ 502.185490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 502.185490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 502.185490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 502.185490][ T10] ipv6_add_addr+0x411/0x2000 [ 502.185490][ T10] inet6_addr_add+0x30e/0xa40 [ 502.185490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 502.185490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.185490][ T10] netlink_rcv_skb+0x130/0x360 [ 502.185490][ T10] netlink_unicast+0x449/0x710 [ 502.185490][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.185490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.185490][ T10] ___sys_sendmsg+0xee/0x170 [ 502.185490][ T10] __sys_sendmsg+0xcd/0x170 [ 502.185490][ T10] do_syscall_64+0xc6/0x1e0 [ 502.185490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.185490][ T10] [ 502.187599][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 502.187599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 502.187599][ T10] ipv6_find_idev+0x102/0x170 [ 502.187599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.187599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.187599][ T10] netlink_rcv_skb+0x130/0x360 [ 502.187599][ T10] netlink_unicast+0x449/0x710 [ 502.187599][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.187599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.187599][ T10] ___sys_sendmsg+0xee/0x170 [ 502.187599][ T10] __sys_sendmsg+0xcd/0x170 [ 502.187599][ T10] do_syscall_64+0xc6/0x1e0 [ 502.187599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.187599][ T10] [ 502.189226][ T10] ref_tracker: ns2eth1@ffff8880059bc5c0 has 1/3 users at [ 502.189226][ T10] neigh_parms_alloc+0x1e5/0x510 [ 502.189226][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 502.189226][ T10] ipv6_find_idev+0x102/0x170 [ 502.189226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 502.189226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 502.189226][ T10] netlink_rcv_skb+0x130/0x360 [ 502.189226][ T10] netlink_unicast+0x449/0x710 [ 502.189226][ T10] netlink_sendmsg+0x723/0xbe0 [ 502.189226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 502.189226][ T10] ___sys_sendmsg+0xee/0x170 [ 502.189226][ T10] __sys_sendmsg+0xcd/0x170 [ 502.189226][ T10] do_syscall_64+0xc6/0x1e0 [ 502.189226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 502.189226][ T10]